diff --git a/config/webpack/development.js b/config/webpack/development.js
index 774ecbc07..c3cf1b655 100644
--- a/config/webpack/development.js
+++ b/config/webpack/development.js
@@ -1,6 +1,6 @@
 // Note: You must restart bin/webpack-dev-server for changes to take effect
 
-const merge = require('webpack-merge');
+const { merge } = require('webpack-merge');
 const sharedConfig = require('./shared');
 const { settings, output } = require('./configuration');
 
diff --git a/config/webpack/production.js b/config/webpack/production.js
index f2f216422..f1d0dabae 100644
--- a/config/webpack/production.js
+++ b/config/webpack/production.js
@@ -2,7 +2,7 @@
 
 const path = require('path');
 const { URL } = require('url');
-const merge = require('webpack-merge');
+const { merge } = require('webpack-merge');
 const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
 const OfflinePlugin = require('offline-plugin');
 const TerserPlugin = require('terser-webpack-plugin');
diff --git a/config/webpack/tests.js b/config/webpack/tests.js
index 8b56eb92f..f9d39f1b8 100644
--- a/config/webpack/tests.js
+++ b/config/webpack/tests.js
@@ -1,6 +1,6 @@
 // Note: You must restart bin/webpack-dev-server for changes to take effect
 
-const merge = require('webpack-merge');
+const { merge } = require('webpack-merge');
 const sharedConfig = require('./shared.js');
 
 module.exports = merge(sharedConfig, {
diff --git a/package.json b/package.json
index ed544f070..b51863c71 100644
--- a/package.json
+++ b/package.json
@@ -166,7 +166,7 @@
     "webpack-assets-manifest": "^3.1.1",
     "webpack-bundle-analyzer": "^3.9.0",
     "webpack-cli": "^3.3.12",
-    "webpack-merge": "^4.2.1",
+    "webpack-merge": "^5.0.9",
     "wicg-inert": "^3.1.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index f0f1278f7..a18dd960d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2889,6 +2889,15 @@ cliui@^7.0.2:
     strip-ansi "^6.0.0"
     wrap-ansi "^7.0.0"
 
+clone-deep@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-4.0.1.tgz#c19fd9bdbbf85942b4fd979c84dcf7d5f07c2387"
+  integrity sha512-neHB9xuzh/wk0dIHweyAXv2aPGZIVk3pLMe+/RNzINf17fe0OG96QroktYAUm7SM1PBnzTabaLboqqxDyMU+SQ==
+  dependencies:
+    is-plain-object "^2.0.4"
+    kind-of "^6.0.2"
+    shallow-clone "^3.0.0"
+
 co@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
@@ -9597,6 +9606,13 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+shallow-clone@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-3.0.1.tgz#8f2981ad92531f55035b01fb230769a40e02efa3"
+  integrity sha512-/6KqX+GVUdqPuPPd2LxDDxzX6CAbjJehAAOKlNpqqUpAqPM6HeL8f+o3a+JsyGjn2lv0WY8UsTgUJjU9Ok55NA==
+  dependencies:
+    kind-of "^6.0.2"
+
 shallow-equal@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/shallow-equal/-/shallow-equal-1.2.1.tgz#4c16abfa56043aa20d050324efa68940b0da79da"
@@ -11030,12 +11046,13 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-merge@^4.2.1:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-4.2.2.tgz#a27c52ea783d1398afd2087f547d7b9d2f43634d"
-  integrity sha512-TUE1UGoTX2Cd42j3krGYqObZbOD+xF7u28WB7tfUordytSjbWTIjK/8V0amkBfTYN4/pB/GIDlJZZ657BGG19g==
+webpack-merge@^5.0.9:
+  version "5.0.9"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.0.9.tgz#d5e0e0ae564ae704836d747893bdd2741544bf31"
+  integrity sha512-P4teh6O26xIDPugOGX61wPxaeP918QOMjmzhu54zTVcLtOS28ffPWtnv+ilt3wscwBUCL2WNMnh97XkrKqt9Fw==
   dependencies:
-    lodash "^4.17.15"
+    clone-deep "^4.0.1"
+    wildcard "^2.0.0"
 
 webpack-sources@^1.0.0, webpack-sources@^1.1.0, webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
   version "1.4.3"
@@ -11147,6 +11164,11 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
+wildcard@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/wildcard/-/wildcard-2.0.0.tgz#a77d20e5200c6faaac979e4b3aadc7b3dd7f8fec"
+  integrity sha512-JcKqAHLPxcdb9KM49dufGXn2x3ssnfjbcaQdLlfZsL9rH9wgDQjUtDxbo8NE0F6SFvydeu1VhZe7hZuHsB2/pw==
+
 word-wrap@^1.2.3, word-wrap@~1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/word-wrap/-/word-wrap-1.2.3.tgz#610636f6b1f703891bd34771ccb17fb93b47079c"