diff --git a/packages/webpack-plugin-kintone-plugin/package.json b/packages/webpack-plugin-kintone-plugin/package.json
index f54253a0ad..ec28721e7f 100644
--- a/packages/webpack-plugin-kintone-plugin/package.json
+++ b/packages/webpack-plugin-kintone-plugin/package.json
@@ -45,7 +45,7 @@
     "rimraf": "^5.0.5",
     "webpack": "^5.88.2",
     "webpack-cli": "5.1.4",
-    "webpack-merge": "^5.9.0"
+    "webpack-merge": "^5.10.0"
   },
   "peerDependencies": {
     "webpack": "^4.0.0 || ^5.0.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4d145b335d..a5fde344b2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -501,8 +501,8 @@ importers:
         specifier: 5.1.4
         version: 5.1.4(webpack@5.88.2)
       webpack-merge:
-        specifier: ^5.9.0
-        version: 5.9.0
+        specifier: ^5.10.0
+        version: 5.10.0
 
 packages:
 
@@ -5475,6 +5475,11 @@ packages:
       flatted: 3.2.7
       rimraf: 3.0.2
 
+  /flat@5.0.2:
+    resolution: {integrity: sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==}
+    hasBin: true
+    dev: true
+
   /flatted@3.2.7:
     resolution: {integrity: sha512-5nqDSxl8nn5BSNxyR3n4I6eDmbolI6WT+QqR547RwxQapgjQBmtktdP+HTBb/a/zLsbzERTONyUB5pefh5TtjQ==}
 
@@ -9998,7 +10003,7 @@ packages:
       rechoir: 0.8.0
       webpack: 5.88.2(webpack-cli@5.1.4)
       webpack-dev-server: 4.15.1(debug@4.3.4)(webpack-cli@5.1.4)(webpack@5.88.2)
-      webpack-merge: 5.9.0
+      webpack-merge: 5.10.0
     dev: true
 
   /webpack-cli@5.1.4(webpack@5.88.2):
@@ -10100,6 +10105,15 @@ packages:
       - utf-8-validate
     dev: true
 
+  /webpack-merge@5.10.0:
+    resolution: {integrity: sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==}
+    engines: {node: '>=10.0.0'}
+    dependencies:
+      clone-deep: 4.0.1
+      flat: 5.0.2
+      wildcard: 2.0.1
+    dev: true
+
   /webpack-merge@5.9.0:
     resolution: {integrity: sha512-6NbRQw4+Sy50vYNTw7EyOn41OZItPiXB8GNv3INSoe3PSFaHJEz3SHTrYVaRm2LilNGnFUzh0FAwqPEmU/CwDg==}
     engines: {node: '>=10.0.0'}