diff --git a/package.json b/package.json
index 789ce5832c3..b67a5ce4ab8 100644
--- a/package.json
+++ b/package.json
@@ -226,6 +226,6 @@
     "webpack-dev-middleware": "1.6.1",
     "webpack-dev-server": "1.14.1",
     "webpack-hot-middleware": "2.12.1",
-    "webpack-isomorphic-tools": "2.4.2"
+    "webpack-isomorphic-tools": "2.5.1"
   }
 }