diff --git a/package.json b/package.json
index 71ac2526e..ce1ddc7a6 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "webpack": "^5.89.0",
     "webpack-assets-manifest": "^5.1.0",
     "webpack-cli": "^5.1.4",
-    "webpack-merge": "^5.9.0",
+    "webpack-merge": "^5.10.0",
     "webpack-sources": "^3.2.3",
     "webpack-subresource-integrity": "^5.1.0",
     "xss": "^1.0.14"
diff --git a/yarn.lock b/yarn.lock
index 230b3feac..5d5bd25f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2642,6 +2642,11 @@ find-up@^6.3.0:
     locate-path "^7.1.0"
     path-exists "^5.0.0"
 
+flat@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
+
 follow-redirects@^1.0.0:
   version "1.15.3"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.3.tgz#fe2f3ef2690afce7e82ed0b44db08165b207123a"
@@ -4554,12 +4559,13 @@ webpack-dev-server@^4.15.1:
     webpack-dev-middleware "^5.3.1"
     ws "^8.13.0"
 
-webpack-merge@^5.7.3, webpack-merge@^5.9.0:
-  version "5.9.0"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.9.0.tgz#dc160a1c4cf512ceca515cc231669e9ddb133826"
-  integrity sha512-6NbRQw4+Sy50vYNTw7EyOn41OZItPiXB8GNv3INSoe3PSFaHJEz3SHTrYVaRm2LilNGnFUzh0FAwqPEmU/CwDg==
+webpack-merge@^5.10.0, webpack-merge@^5.7.3:
+  version "5.10.0"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.10.0.tgz#a3ad5d773241e9c682803abf628d4cd62b8a4177"
+  integrity sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==
   dependencies:
     clone-deep "^4.0.1"
+    flat "^5.0.2"
     wildcard "^2.0.0"
 
 webpack-sources@^3.2.3: