diff --git a/package.json b/package.json
index c4050c3..3f34b0e 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "sprintf-js": "^1.1.1",
     "tweetnacl": "^1.0.0",
     "uglifyjs-webpack-plugin": "^1.2.7",
-    "webpack-merge": "^4.1.3",
+    "webpack-merge": "^4.1.5",
     "webpack-sources": "^1.1.0"
   },
   "keywords": [