diff --git a/prefixer/composer.json b/prefixer/composer.json
index 031fb2ac7c..e7efe7c474 100644
--- a/prefixer/composer.json
+++ b/prefixer/composer.json
@@ -13,7 +13,7 @@
     "symfony/polyfill-mbstring": "^1.11",
     "symfony/polyfill-php72": "^1.11",
     "symfony/validator": "3.4.32",
-    "twig/twig": "1.38.4"
+    "twig/twig": "1.42.4"
   },
   "scripts": {
     "post-update-cmd": "@process",
diff --git a/prefixer/composer.lock b/prefixer/composer.lock
index 5ef8e66f5c..bae34ad71f 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": "3b332f4579bbf0071e8f579853b463de",
+    "content-hash": "bc733a05ecc8170793ac8a6e1781cb80",
     "packages": [
         {
             "name": "cerdic/css-tidy",
@@ -1560,31 +1560,31 @@
         },
         {
             "name": "twig/twig",
-            "version": "v1.38.4",
+            "version": "v1.42.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "7732e9e7017d751313811bd118de61302e9c8b35"
+                "reference": "e587180584c3d2d6cb864a0454e777bb6dcb6152"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/7732e9e7017d751313811bd118de61302e9c8b35",
-                "reference": "7732e9e7017d751313811bd118de61302e9c8b35",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/e587180584c3d2d6cb864a0454e777bb6dcb6152",
+                "reference": "e587180584c3d2d6cb864a0454e777bb6dcb6152",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0",
+                "php": ">=5.5.0",
                 "symfony/polyfill-ctype": "^1.8"
             },
             "require-dev": {
                 "psr/container": "^1.0",
-                "symfony/debug": "^2.7",
-                "symfony/phpunit-bridge": "^3.4.19|^4.1.8"
+                "symfony/debug": "^3.4|^4.2",
+                "symfony/phpunit-bridge": "^4.4@dev|^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.38-dev"
+                    "dev-master": "1.42-dev"
                 }
             },
             "autoload": {
@@ -1606,15 +1606,15 @@
                     "homepage": "http://fabien.potencier.org",
                     "role": "Lead Developer"
                 },
-                {
-                    "name": "Armin Ronacher",
-                    "email": "armin.ronacher@active-4.com",
-                    "role": "Project Founder"
-                },
                 {
                     "name": "Twig Team",
                     "homepage": "https://twig.symfony.com/contributors",
                     "role": "Contributors"
+                },
+                {
+                    "name": "Armin Ronacher",
+                    "email": "armin.ronacher@active-4.com",
+                    "role": "Project Founder"
                 }
             ],
             "description": "Twig, the flexible, fast, and secure template language for PHP",
@@ -1622,7 +1622,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2019-03-23T14:27:19+00:00"
+            "time": "2019-11-11T16:49:32+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/prefixer/fix-twig.php b/prefixer/fix-twig.php
index 327d6076d4..0627ef8897 100755
--- a/prefixer/fix-twig.php
+++ b/prefixer/fix-twig.php
@@ -77,8 +77,11 @@ $replacements = [
       '\'twig_join_filter\'',
       '\'twig_split_filter\'',
       '\'twig_sort_filter\'',
-      '\'twig_sort_filter\'',
+      '\'twig_array_merge\'',
       '\'twig_array_batch\'',
+      '\'twig_array_filter\'',
+      '\'twig_array_map\'',
+      '\'twig_array_reduce\'',
       '\'twig_reverse_filter\'',
       '\'twig_length_filter\'',
       '\'twig_slice\'',
@@ -120,6 +123,9 @@ $replacements = [
       '\'\\\\MailPoetVendor\\\\twig_sort_filter\'',
       '\'\\\\MailPoetVendor\\\\twig_array_merge\'',
       '\'\\\\MailPoetVendor\\\\twig_array_batch\'',
+      '\'\\\\MailPoetVendor\\\\twig_array_filter\'',
+      '\'\\\\MailPoetVendor\\\\twig_array_map\'',
+      '\'\\\\MailPoetVendor\\\\twig_array_reduce\'',
       '\'\\\\MailPoetVendor\\\\twig_reverse_filter\'',
       '\'\\\\MailPoetVendor\\\\twig_length_filter\'',
       '\'\\\\MailPoetVendor\\\\twig_slice\'',