diff --git a/mailpoet/package-lock.json b/mailpoet/package-lock.json
index a28c7d1595..575723ec30 100644
--- a/mailpoet/package-lock.json
+++ b/mailpoet/package-lock.json
@@ -79,7 +79,7 @@
         "slugify": "^1.6.5",
         "spectrum-colorpicker": "^1.8.1",
         "tinymce": "^5.10.2",
-        "underscore": "^1.13.2",
+        "underscore": "^1.13.4",
         "velocity-animate": "^1.5.2"
       },
       "devDependencies": {
@@ -157,6 +157,7 @@
         "phplint": "^2.0.5",
         "postcss-cli": "^9.1.0",
         "postcss-scss": "^4.0.3",
+        "prismjs": "^1.28.0",
         "sass": "^1.49.9",
         "sinon": "^13.0.1",
         "sinon-chai": "^3.7.0",
@@ -174,7 +175,7 @@
         "wp-types": "^3.59.1"
       },
       "engines": {
-        "npm": "^8.1"
+        "npm": "^8.3"
       }
     },
     "../eslint-config": {
@@ -17057,11 +17058,6 @@
         "underscore": ">=1.5.0"
       }
     },
-    "node_modules/backbone.supermodel/node_modules/underscore": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.5.2.tgz",
-      "integrity": "sha1-EzXF5PXm0zu7SwBrqMhqAPVW3gg="
-    },
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       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/bail/-/bail-1.0.5.tgz",
@@ -34825,10 +34821,13 @@
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-      "version": "1.25.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.25.0.tgz",
-      "integrity": "sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg==",
-      "dev": true
+      "version": "1.28.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.28.0.tgz",
+      "integrity": "sha512-8aaXdYvl1F7iC7Xm1spqSaY/OJBpYW3v+KJ+F17iYxvdc8sfjW194COK5wVhMZX45tGteiBQgdvD/nhxcRwylw==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
     },
     "node_modules/private": {
       "version": "0.1.8",
@@ -36403,12 +36402,6 @@
         "url": "https://github.com/sponsors/wooorm"
       }
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-    "node_modules/refractor/node_modules/prismjs": {
-      "version": "1.24.1",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.24.1.tgz",
-      "integrity": "sha512-mNPsedLuk90RVJioIky8ANZEwYm5w9LcvCXrxHlwf4fNVSn8jEipMybMkWUyyF0JhnC+C4VcOVSBuHRKs1L5Ow==",
-      "dev": true
-    },
     "node_modules/regenerate": {
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.4.2.tgz",
@@ -40380,9 +40373,9 @@
       }
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     "node_modules/underscore": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.2.tgz",
-      "integrity": "sha512-ekY1NhRzq0B08g4bGuX4wd2jZx5GnKz6mKSqFL4nqBlfyMGiG10gDFhDTMEfYmDL6Jy0FUIZp7wiRB+0BP7J2g=="
+      "version": "1.13.4",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.4.tgz",
+      "integrity": "sha512-BQFnUDuAQ4Yf/cYY5LNrK9NCJFKriaRbD9uR1fTeXnBeoa97W0i41qkZfGO9pSo8I5KzjAcSY2XYtdf0oKd7KQ=="
     },
     "node_modules/unfetch": {
       "version": "4.2.0",
@@ -47131,7 +47124,7 @@
         "terser-webpack-plugin": "^5.0.3",
         "ts-dedent": "^2.0.0",
         "util-deprecate": "^1.0.2",
-        "webpack": "^5.9.0",
+        "webpack": "^5.70.0",
         "webpack-dev-middleware": "^4.1.0",
         "webpack-hot-middleware": "^2.25.1",
         "webpack-virtual-modules": "^0.4.1"
@@ -47649,7 +47642,7 @@
         "telejson": "^5.3.2",
         "ts-dedent": "^2.0.0",
         "util-deprecate": "^1.0.2",
-        "webpack": "4"
+        "webpack": "^5.70.0"
       },
       "dependencies": {
         "@webassemblyjs/ast": {
@@ -49638,7 +49631,7 @@
         "terser-webpack-plugin": "^5.0.3",
         "ts-dedent": "^2.0.0",
         "util-deprecate": "^1.0.2",
-        "webpack": "^5.9.0",
+        "webpack": "^5.70.0",
         "webpack-dev-middleware": "^4.1.0",
         "webpack-virtual-modules": "^0.4.1"
       },
@@ -49971,7 +49964,7 @@
         "read-pkg-up": "^7.0.1",
         "regenerator-runtime": "^0.13.7",
         "ts-dedent": "^2.0.0",
-        "webpack": "4"
+        "webpack": "^5.70.0"
       },
       "dependencies": {
         "@pmmmwh/react-refresh-webpack-plugin": {
@@ -51989,7 +51982,7 @@
             "@types/react-dom": "^16.9.0",
             "@wordpress/escape-html": "^2.2.0",
             "lodash": "^4.17.21",
-            "react": "^17.0.1",
+            "react": "^17.0.2",
             "react-dom": "^17.0.1"
           }
         },
@@ -53956,7 +53949,7 @@
         "stylelint": "^14.2.0",
         "terser-webpack-plugin": "^5.1.4",
         "url-loader": "^4.1.1",
-        "webpack": "^5.47.1",
+        "webpack": "^5.70.0",
         "webpack-bundle-analyzer": "^4.4.2",
         "webpack-cli": "^4.9.1",
         "webpack-dev-server": "^4.4.0"
@@ -55673,7 +55666,7 @@
       "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.3.3.tgz",
       "integrity": "sha1-TMgOp8sWMaxHSInOQPL4vGg7KZk=",
       "requires": {
-        "underscore": ">=1.8.3"
+        "underscore": "^1.13.4"
       }
     },
     "backbone.marionette": {
@@ -55696,7 +55689,7 @@
       "integrity": "sha1-a/BpwjqvDMtjtkupMj+J00oNEZQ=",
       "requires": {
         "backbone": "~1.1.0",
-        "underscore": "~1.5.2"
+        "underscore": "^1.13.4"
       },
       "dependencies": {
         "backbone": {
@@ -55704,13 +55697,8 @@
           "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.1.2.tgz",
           "integrity": "sha1-wsBMZr+HJo+4LBd6zr7/fTe6by0=",
           "requires": {
-            "underscore": ">=1.5.0"
+            "underscore": "^1.13.4"
           }
-        },
-        "underscore": {
-          "version": "1.5.2",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.5.2.tgz",
-          "integrity": "sha1-EzXF5PXm0zu7SwBrqMhqAPVW3gg="
         }
       }
     },
@@ -69303,9 +69291,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.25.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.25.0.tgz",
-      "integrity": "sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg==",
+      "version": "1.28.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.28.0.tgz",
+      "integrity": "sha512-8aaXdYvl1F7iC7Xm1spqSaY/OJBpYW3v+KJ+F17iYxvdc8sfjW194COK5wVhMZX45tGteiBQgdvD/nhxcRwylw==",
       "dev": true
     },
     "private": {
@@ -70184,7 +70172,7 @@
         "@babel/runtime": "^7.3.1",
         "highlight.js": "^10.1.1",
         "lowlight": "^1.14.0",
-        "prismjs": "^1.21.0",
+        "prismjs": "^1.28.0",
         "refractor": "^3.1.0"
       }
     },
@@ -70519,15 +70507,7 @@
       "requires": {
         "hastscript": "^6.0.0",
         "parse-entities": "^2.0.0",
-        "prismjs": "~1.24.0"
-      },
-      "dependencies": {
-        "prismjs": {
-          "version": "1.24.1",
-          "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.24.1.tgz",
-          "integrity": "sha512-mNPsedLuk90RVJioIky8ANZEwYm5w9LcvCXrxHlwf4fNVSn8jEipMybMkWUyyF0JhnC+C4VcOVSBuHRKs1L5Ow==",
-          "dev": true
-        }
+        "prismjs": "^1.28.0"
       }
     },
     "regenerate": {
@@ -73634,9 +73614,9 @@
       "dev": true
     },
     "underscore": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.2.tgz",
-      "integrity": "sha512-ekY1NhRzq0B08g4bGuX4wd2jZx5GnKz6mKSqFL4nqBlfyMGiG10gDFhDTMEfYmDL6Jy0FUIZp7wiRB+0BP7J2g=="
+      "version": "1.13.4",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.4.tgz",
+      "integrity": "sha512-BQFnUDuAQ4Yf/cYY5LNrK9NCJFKriaRbD9uR1fTeXnBeoa97W0i41qkZfGO9pSo8I5KzjAcSY2XYtdf0oKd7KQ=="
     },
     "unfetch": {
       "version": "4.2.0",
diff --git a/mailpoet/package.json b/mailpoet/package.json
index 7740daf77e..34ef103fec 100644
--- a/mailpoet/package.json
+++ b/mailpoet/package.json
@@ -109,7 +109,7 @@
     "slugify": "^1.6.5",
     "spectrum-colorpicker": "^1.8.1",
     "tinymce": "^5.10.2",
-    "underscore": "^1.13.2",
+    "underscore": "^1.13.4",
     "velocity-animate": "^1.5.2"
   },
   "devDependencies": {
@@ -187,6 +187,7 @@
     "phplint": "^2.0.5",
     "postcss-cli": "^9.1.0",
     "postcss-scss": "^4.0.3",
+    "prismjs": "^1.28.0",
     "sass": "^1.49.9",
     "sinon": "^13.0.1",
     "sinon-chai": "^3.7.0",
@@ -202,5 +203,11 @@
     "webpack-cli": "^4.9.2",
     "webpack-manifest-plugin": "^5.0.0",
     "wp-types": "^3.59.1"
+  },
+  "overrides": {
+    "prismjs": "$prismjs",
+    "webpack": "$webpack",
+    "react": "$react",
+    "underscore": "$underscore"
   }
 }