diff --git a/lib/Doctrine/ConfigurationFactory.php b/lib/Doctrine/ConfigurationFactory.php
index 5ad30ebf50..a8b8d03746 100644
--- a/lib/Doctrine/ConfigurationFactory.php
+++ b/lib/Doctrine/ConfigurationFactory.php
@@ -7,7 +7,7 @@ use MailPoetVendor\Doctrine\Common\Cache\ArrayCache;
 use MailPoetVendor\Doctrine\Common\Proxy\AbstractProxyFactory;
 use MailPoetVendor\Doctrine\ORM\Configuration;
 use MailPoetVendor\Doctrine\ORM\Mapping\Driver\AnnotationDriver;
-use MailPoetVendor\Doctrine\ORM\Mapping\Driver\PHPDriver;
+use MailPoetVendor\Doctrine\Persistence\Mapping\Driver\PHPDriver;
 use MailPoetVendor\Doctrine\ORM\Mapping\UnderscoreNamingStrategy;
 
 class ConfigurationFactory {
@@ -51,8 +51,8 @@ class ConfigurationFactory {
 
     // metadata cache (for production cache is pre-generated at build time)
     $isReadOnly = !$annotationReader;
-    $metadataStorage = new MetadataCache(self::METADATA_DIR, $isReadOnly);
-    $configuration->setMetadataCacheImpl($metadataStorage);
+    $metadataStorage = new PSRMetadataCache(self::METADATA_DIR, $isReadOnly);
+    $configuration->setMetadataCache($metadataStorage);
   }
 
   private function configureProxies(Configuration $configuration) {
diff --git a/lib/Doctrine/Driver/PDOStatement.php b/lib/Doctrine/Driver/PDOStatement.php
index 8c86dc69c6..e3a3509075 100644
--- a/lib/Doctrine/Driver/PDOStatement.php
+++ b/lib/Doctrine/Driver/PDOStatement.php
@@ -60,7 +60,6 @@ class PDOStatement implements \IteratorAggregate, Statement {
   }
 
   public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null, $driverOptions = null) {
-    if (is_null($type)) $type = ParameterType::STRING;
     $type = $this->convertParamType($type);
 
     try {
diff --git a/lib/Doctrine/TablePrefixMetadataFactory.php b/lib/Doctrine/TablePrefixMetadataFactory.php
index 265321ef11..f36bdf3f92 100644
--- a/lib/Doctrine/TablePrefixMetadataFactory.php
+++ b/lib/Doctrine/TablePrefixMetadataFactory.php
@@ -32,7 +32,8 @@ class TablePrefixMetadataFactory extends ClassMetadataFactory {
 
     // prefix tables only after they are saved to cache so the prefix does not get included in cache
     // (getMetadataFor can call itself recursively but it saves to cache only after the recursive calls)
-    $isCached = ($cache = $this->getCacheDriver()) ? $cache->contains($classMetadata->getName() . $this->cacheSalt) : false;
+    $cacheKey = $this->getCacheKey($classMetadata->getName());
+    $isCached = ($cache = $this->getCache()) ? $cache->hasItem($cacheKey) : false;
     if ($classMetadata instanceof ClassMetadata && $isCached) {
       $this->addPrefix($classMetadata);
       $this->prefixedMap[$classMetadata->getName()] = true;
diff --git a/prefixer/composer.json b/prefixer/composer.json
index 4f6acebd8e..eaafc2ab96 100644
--- a/prefixer/composer.json
+++ b/prefixer/composer.json
@@ -2,9 +2,9 @@
   "require": {
     "php": ">=7.1",
     "cerdic/css-tidy": "^1.7",
-    "doctrine/common": "3.0.2",
-    "doctrine/dbal": "2.9.3",
-    "doctrine/orm": "2.7.4",
+    "doctrine/common": "3.1.2",
+    "doctrine/dbal": "2.13.1",
+    "doctrine/orm": "2.9.3",
     "gregwar/captcha": "^1.1",
     "monolog/monolog": "^1.23",
     "nesbot/carbon": "2.41.3",
diff --git a/prefixer/composer.lock b/prefixer/composer.lock
index 069b8fba1f..5c1a634940 100644
--- a/prefixer/composer.lock
+++ b/prefixer/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d5db7bd354fc5698cea82e3f4a6fdf5b",
+    "content-hash": "022838aaacfbd02762fd918bc138ce99",
     "packages": [
         {
             "name": "cerdic/css-tidy",
@@ -57,24 +57,24 @@
         },
         {
             "name": "composer/package-versions-deprecated",
-            "version": "1.8.0",
+            "version": "1.11.99.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/package-versions-deprecated.git",
-                "reference": "98df7f1b293c0550bd5b1ce6b60b59bdda23aa47"
+                "reference": "c6522afe5540d5fc46675043d3ed5a45a740b27c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/package-versions-deprecated/zipball/98df7f1b293c0550bd5b1ce6b60b59bdda23aa47",
-                "reference": "98df7f1b293c0550bd5b1ce6b60b59bdda23aa47",
+                "url": "https://api.github.com/repos/composer/package-versions-deprecated/zipball/c6522afe5540d5fc46675043d3ed5a45a740b27c",
+                "reference": "c6522afe5540d5fc46675043d3ed5a45a740b27c",
                 "shasum": ""
             },
             "require": {
                 "composer-plugin-api": "^1.1.0 || ^2.0",
-                "php": "^7"
+                "php": "^7 || ^8"
             },
             "replace": {
-                "ocramius/package-versions": "1.2 - 1.8.99"
+                "ocramius/package-versions": "1.11.99"
             },
             "require-dev": {
                 "composer/composer": "^1.9.3 || ^2.0@dev",
@@ -108,48 +108,54 @@
                 }
             ],
             "description": "Composer plugin that provides efficient querying for installed package versions (no runtime IO)",
+            "support": {
+                "issues": "https://github.com/composer/package-versions-deprecated/issues",
+                "source": "https://github.com/composer/package-versions-deprecated/tree/1.11.99.2"
+            },
             "funding": [
                 {
                     "url": "https://packagist.com",
                     "type": "custom"
                 },
+                {
+                    "url": "https://github.com/composer",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/composer/composer",
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-04-23T11:49:37+00:00"
+            "time": "2021-05-24T07:46:03+00:00"
         },
         {
             "name": "doctrine/annotations",
-            "version": "1.10.4",
+            "version": "1.13.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/annotations.git",
-                "reference": "bfe91e31984e2ba76df1c1339681770401ec262f"
+                "reference": "e6e7b7d5b45a2f2abc5460cc6396480b2b1d321f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/annotations/zipball/bfe91e31984e2ba76df1c1339681770401ec262f",
-                "reference": "bfe91e31984e2ba76df1c1339681770401ec262f",
+                "url": "https://api.github.com/repos/doctrine/annotations/zipball/e6e7b7d5b45a2f2abc5460cc6396480b2b1d321f",
+                "reference": "e6e7b7d5b45a2f2abc5460cc6396480b2b1d321f",
                 "shasum": ""
             },
             "require": {
                 "doctrine/lexer": "1.*",
                 "ext-tokenizer": "*",
-                "php": "^7.1 || ^8.0"
+                "php": "^7.1 || ^8.0",
+                "psr/cache": "^1 || ^2 || ^3"
             },
             "require-dev": {
-                "doctrine/cache": "1.*",
+                "doctrine/cache": "^1.11 || ^2.0",
+                "doctrine/coding-standard": "^6.0 || ^8.1",
                 "phpstan/phpstan": "^0.12.20",
-                "phpunit/phpunit": "^7.5 || ^9.1.5"
+                "phpunit/phpunit": "^7.5 || ^8.0 || ^9.1.5",
+                "symfony/cache": "^4.4 || ^5.2"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.9.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Doctrine\\Common\\Annotations\\": "lib/Doctrine/Common/Annotations"
@@ -182,50 +188,53 @@
                 }
             ],
             "description": "Docblock Annotations Parser",
-            "homepage": "http://www.doctrine-project.org",
+            "homepage": "https://www.doctrine-project.org/projects/annotations.html",
             "keywords": [
                 "annotations",
                 "docblock",
                 "parser"
             ],
-            "time": "2020-08-10T19:35:50+00:00"
+            "support": {
+                "issues": "https://github.com/doctrine/annotations/issues",
+                "source": "https://github.com/doctrine/annotations/tree/1.13.1"
+            },
+            "time": "2021-05-16T18:07:53+00:00"
         },
         {
             "name": "doctrine/cache",
-            "version": "1.10.2",
+            "version": "1.11.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/cache.git",
-                "reference": "13e3381b25847283a91948d04640543941309727"
+                "reference": "3bb5588cec00a0268829cc4a518490df6741af9d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/cache/zipball/13e3381b25847283a91948d04640543941309727",
-                "reference": "13e3381b25847283a91948d04640543941309727",
+                "url": "https://api.github.com/repos/doctrine/cache/zipball/3bb5588cec00a0268829cc4a518490df6741af9d",
+                "reference": "3bb5588cec00a0268829cc4a518490df6741af9d",
                 "shasum": ""
             },
             "require": {
                 "php": "~7.1 || ^8.0"
             },
             "conflict": {
-                "doctrine/common": ">2.2,<2.4"
+                "doctrine/common": ">2.2,<2.4",
+                "psr/cache": ">=3"
             },
             "require-dev": {
                 "alcaeus/mongo-php-adapter": "^1.1",
-                "doctrine/coding-standard": "^6.0",
+                "cache/integration-tests": "dev-master",
+                "doctrine/coding-standard": "^8.0",
                 "mongodb/mongodb": "^1.1",
-                "phpunit/phpunit": "^7.0",
-                "predis/predis": "~1.0"
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "predis/predis": "~1.0",
+                "psr/cache": "^1.0 || ^2.0",
+                "symfony/cache": "^4.4 || ^5.2"
             },
             "suggest": {
                 "alcaeus/mongo-php-adapter": "Required to use legacy MongoDB driver"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.9.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Doctrine\\Common\\Cache\\": "lib/Doctrine/Common/Cache"
@@ -270,6 +279,10 @@
                 "redis",
                 "xcache"
             ],
+            "support": {
+                "issues": "https://github.com/doctrine/cache/issues",
+                "source": "https://github.com/doctrine/cache/tree/1.11.3"
+            },
             "funding": [
                 {
                     "url": "https://www.doctrine-project.org/sponsorship.html",
@@ -284,38 +297,35 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-07-07T18:54:01+00:00"
+            "time": "2021-05-25T09:01:55+00:00"
         },
         {
             "name": "doctrine/collections",
-            "version": "v1.5.0",
+            "version": "1.6.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/collections.git",
-                "reference": "a01ee38fcd999f34d9bfbcee59dbda5105449cbf"
+                "reference": "55f8b799269a1a472457bd1a41b4f379d4cfba4a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/collections/zipball/a01ee38fcd999f34d9bfbcee59dbda5105449cbf",
-                "reference": "a01ee38fcd999f34d9bfbcee59dbda5105449cbf",
+                "url": "https://api.github.com/repos/doctrine/collections/zipball/55f8b799269a1a472457bd1a41b4f379d4cfba4a",
+                "reference": "55f8b799269a1a472457bd1a41b4f379d4cfba4a",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": "^7.1.3 || ^8.0"
             },
             "require-dev": {
-                "doctrine/coding-standard": "~0.1@dev",
-                "phpunit/phpunit": "^5.7"
+                "doctrine/coding-standard": "^6.0",
+                "phpstan/phpstan-shim": "^0.9.2",
+                "phpunit/phpunit": "^7.0",
+                "vimeo/psalm": "^3.8.1"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.3.x-dev"
-                }
-            },
             "autoload": {
-                "psr-0": {
-                    "Doctrine\\Common\\Collections\\": "lib/"
+                "psr-4": {
+                    "Doctrine\\Common\\Collections\\": "lib/Doctrine/Common/Collections"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -323,6 +333,10 @@
                 "MIT"
             ],
             "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
                 {
                     "name": "Roman Borschel",
                     "email": "roman@code-factory.org"
@@ -331,10 +345,6 @@
                     "name": "Benjamin Eberlei",
                     "email": "kontakt@beberlei.de"
                 },
-                {
-                    "name": "Guilherme Blanco",
-                    "email": "guilhermeblanco@gmail.com"
-                },
                 {
                     "name": "Jonathan Wage",
                     "email": "jonwage@gmail.com"
@@ -344,27 +354,32 @@
                     "email": "schmittjoh@gmail.com"
                 }
             ],
-            "description": "Collections Abstraction library",
-            "homepage": "http://www.doctrine-project.org",
+            "description": "PHP Doctrine Collections library that adds additional functionality on top of PHP arrays.",
+            "homepage": "https://www.doctrine-project.org/projects/collections.html",
             "keywords": [
                 "array",
                 "collections",
-                "iterator"
+                "iterators",
+                "php"
             ],
-            "time": "2017-07-22T10:37:32+00:00"
+            "support": {
+                "issues": "https://github.com/doctrine/collections/issues",
+                "source": "https://github.com/doctrine/collections/tree/1.6.7"
+            },
+            "time": "2020-07-27T17:53:49+00:00"
         },
         {
             "name": "doctrine/common",
-            "version": "3.0.2",
+            "version": "3.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/common.git",
-                "reference": "a3c6479858989e242a2465972b4f7a8642baf0d4"
+                "reference": "a036d90c303f3163b5be8b8fde9b6755b2be4a3a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/common/zipball/a3c6479858989e242a2465972b4f7a8642baf0d4",
-                "reference": "a3c6479858989e242a2465972b4f7a8642baf0d4",
+                "url": "https://api.github.com/repos/doctrine/common/zipball/a036d90c303f3163b5be8b8fde9b6755b2be4a3a",
+                "reference": "a036d90c303f3163b5be8b8fde9b6755b2be4a3a",
                 "shasum": ""
             },
             "require": {
@@ -372,19 +387,15 @@
                 "php": "^7.1 || ^8.0"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^1.0",
-                "phpstan/phpstan": "^0.11",
-                "phpstan/phpstan-phpunit": "^0.11",
-                "phpunit/phpunit": "^7.0",
+                "doctrine/coding-standard": "^6.0 || ^8.0",
+                "phpstan/phpstan": "^0.12",
+                "phpstan/phpstan-phpunit": "^0.12",
+                "phpunit/phpunit": "^7.5.20 || ^8.5 || ^9.0",
                 "squizlabs/php_codesniffer": "^3.0",
-                "symfony/phpunit-bridge": "^4.0.5"
+                "symfony/phpunit-bridge": "^4.0.5",
+                "vimeo/psalm": "^4.4"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Doctrine\\Common\\": "lib/Doctrine/Common"
@@ -420,13 +431,17 @@
                     "email": "ocramius@gmail.com"
                 }
             ],
-            "description": "PHP Doctrine Common project is a library that provides additional functionality that other Doctrine projects depend on such as better reflection support, persistence interfaces, proxies, event system and much more.",
+            "description": "PHP Doctrine Common project is a library that provides additional functionality that other Doctrine projects depend on such as better reflection support, proxies and much more.",
             "homepage": "https://www.doctrine-project.org/projects/common.html",
             "keywords": [
                 "common",
                 "doctrine",
                 "php"
             ],
+            "support": {
+                "issues": "https://github.com/doctrine/common/issues",
+                "source": "https://github.com/doctrine/common/tree/3.1.2"
+            },
             "funding": [
                 {
                     "url": "https://www.doctrine-project.org/sponsorship.html",
@@ -441,35 +456,37 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-06-05T16:59:53+00:00"
+            "time": "2021-02-10T20:18:51+00:00"
         },
         {
             "name": "doctrine/dbal",
-            "version": "v2.9.3",
+            "version": "2.13.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/dbal.git",
-                "reference": "7345cd59edfa2036eb0fa4264b77ae2576842035"
+                "reference": "c800380457948e65bbd30ba92cc17cda108bf8c9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/dbal/zipball/7345cd59edfa2036eb0fa4264b77ae2576842035",
-                "reference": "7345cd59edfa2036eb0fa4264b77ae2576842035",
+                "url": "https://api.github.com/repos/doctrine/dbal/zipball/c800380457948e65bbd30ba92cc17cda108bf8c9",
+                "reference": "c800380457948e65bbd30ba92cc17cda108bf8c9",
                 "shasum": ""
             },
             "require": {
                 "doctrine/cache": "^1.0",
+                "doctrine/deprecations": "^0.5.3",
                 "doctrine/event-manager": "^1.0",
                 "ext-pdo": "*",
-                "php": "^7.1"
+                "php": "^7.1 || ^8"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^5.0",
-                "jetbrains/phpstorm-stubs": "^2018.1.2",
-                "phpstan/phpstan": "^0.10.1",
-                "phpunit/phpunit": "^7.4",
-                "symfony/console": "^2.0.5|^3.0|^4.0",
-                "symfony/phpunit-bridge": "^3.4.5|^4.0.5"
+                "doctrine/coding-standard": "8.2.0",
+                "jetbrains/phpstorm-stubs": "2020.2",
+                "phpstan/phpstan": "0.12.81",
+                "phpunit/phpunit": "^7.5.20|^8.5|9.5.0",
+                "squizlabs/php_codesniffer": "3.6.0",
+                "symfony/console": "^2.0.5|^3.0|^4.0|^5.0",
+                "vimeo/psalm": "4.6.4"
             },
             "suggest": {
                 "symfony/console": "For helpful console commands such as SQL execution and import of files."
@@ -478,12 +495,6 @@
                 "bin/doctrine-dbal"
             ],
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "2.9.x-dev",
-                    "dev-develop": "3.0.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Doctrine\\DBAL\\": "lib/Doctrine/DBAL"
@@ -516,14 +527,86 @@
             "keywords": [
                 "abstraction",
                 "database",
+                "db2",
                 "dbal",
+                "mariadb",
+                "mssql",
                 "mysql",
-                "persistence",
+                "oci8",
+                "oracle",
+                "pdo",
                 "pgsql",
-                "php",
-                "queryobject"
+                "postgresql",
+                "queryobject",
+                "sasql",
+                "sql",
+                "sqlanywhere",
+                "sqlite",
+                "sqlserver",
+                "sqlsrv"
             ],
-            "time": "2019-11-02T22:19:34+00:00"
+            "support": {
+                "issues": "https://github.com/doctrine/dbal/issues",
+                "source": "https://github.com/doctrine/dbal/tree/2.13.1"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fdbal",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-04-17T17:30:19+00:00"
+        },
+        {
+            "name": "doctrine/deprecations",
+            "version": "v0.5.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/deprecations.git",
+                "reference": "9504165960a1f83cc1480e2be1dd0a0478561314"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/deprecations/zipball/9504165960a1f83cc1480e2be1dd0a0478561314",
+                "reference": "9504165960a1f83cc1480e2be1dd0a0478561314",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1|^8.0"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^6.0|^7.0|^8.0",
+                "phpunit/phpunit": "^7.0|^8.0|^9.0",
+                "psr/log": "^1.0"
+            },
+            "suggest": {
+                "psr/log": "Allows logging deprecations via PSR-3 logger implementation"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Deprecations\\": "lib/Doctrine/Deprecations"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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@@ -599,6 +682,10 @@
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+                "inflector",
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+                "manipulation",
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+                "plural",
+                "singular",
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@@ -736,6 +847,10 @@
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@@ -750,7 +865,7 @@
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@@ -810,57 +925,61 @@
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@@ -898,45 +1017,48 @@
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@@ -1494,20 +1528,24 @@
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@@ -1541,7 +1579,10 @@
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@@ -1718,8 +1759,11 @@
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             ],
-            "time": "2020-09-09T05:09:37+00:00"
-        },
-        {
-            "name": "symfony/debug",
-            "version": "v3.4.45",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "9109e4414e684d0b75276ae203883467476d25d0"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/9109e4414e684d0b75276ae203883467476d25d0",
-                "reference": "9109e4414e684d0b75276ae203883467476d25d0",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
-            },
-            "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.4-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Debug Component",
-            "homepage": "https://symfony.com",
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-09-08T22:19:14+00:00"
+            "time": "2021-05-26T11:20:16+00:00"
         },
         {
             "name": "symfony/dependency-injection",
@@ -2390,6 +2364,168 @@
             ],
             "time": "2020-07-14T12:35:20+00:00"
         },
+        {
+            "name": "symfony/polyfill-php73",
+            "version": "v1.23.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php73.git",
+                "reference": "fba8933c384d6476ab14fb7b8526e5287ca7e010"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/fba8933c384d6476ab14fb7b8526e5287ca7e010",
+                "reference": "fba8933c384d6476ab14fb7b8526e5287ca7e010",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php73\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ],
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php73/tree/v1.23.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-02-19T12:13:01+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php80",
+            "version": "v1.23.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php80.git",
+                "reference": "eca0bf41ed421bed1b57c4958bab16aa86b757d0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/eca0bf41ed421bed1b57c4958bab16aa86b757d0",
+                "reference": "eca0bf41ed421bed1b57c4958bab16aa86b757d0",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php80\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ],
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ion Bazan",
+                    "email": "ion.bazan@gmail.com"
+                },
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php80/tree/v1.23.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-02-19T12:13:01+00:00"
+        },
         {
             "name": "symfony/service-contracts",
             "version": "v1.1.9",
@@ -2450,6 +2586,9 @@
                 "interoperability",
                 "standards"
             ],
+            "support": {
+                "source": "https://github.com/symfony/service-contracts/tree/v1.1.9"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -2615,6 +2754,9 @@
                 "interoperability",
                 "standards"
             ],
+            "support": {
+                "source": "https://github.com/symfony/translation-contracts/tree/v1.1.10"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
diff --git a/tests/integration/Doctrine/ConfigurationFactoryTest.php b/tests/integration/Doctrine/ConfigurationFactoryTest.php
index c4db051536..a01c8e1ab1 100644
--- a/tests/integration/Doctrine/ConfigurationFactoryTest.php
+++ b/tests/integration/Doctrine/ConfigurationFactoryTest.php
@@ -5,6 +5,7 @@ namespace MailPoet\Test\Config;
 use MailPoet\Doctrine\Annotations\AnnotationReaderProvider;
 use MailPoet\Doctrine\ConfigurationFactory;
 use MailPoet\Doctrine\MetadataCache;
+use MailPoet\Doctrine\PSRMetadataCache;
 use MailPoet\Doctrine\TablePrefixMetadataFactory;
 use MailPoetVendor\Doctrine\Common\Cache\ArrayCache;
 use MailPoetVendor\Doctrine\Common\Proxy\AbstractProxyFactory;
@@ -22,7 +23,7 @@ class ConfigurationFactoryTest extends \MailPoetTest {
 
     // metadata
     expect($configuration->getClassMetadataFactoryName())->equals(TablePrefixMetadataFactory::class);
-    expect($configuration->getMetadataCacheImpl())->isInstanceOf(MetadataCache::class);
+    expect($configuration->getMetadataCache())->isInstanceOf(PSRMetadataCache::class);
     expect($configuration->getMetadataDriverImpl())->isInstanceOf(AnnotationDriver::class);
 
     // cache