diff --git a/package.json b/package.json
index 0c7e1950..d0bf689d 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,7 @@
     "types-rlp": "0.0.1",
     "typescript": "2.6.2",
     "url-loader": "0.6.2",
-    "url-search-params-polyfill": "2.0.2",
+    "url-search-params-polyfill": "2.0.3",
     "webpack": "3.10.0",
     "webpack-dev-middleware": "2.0.4",
     "webpack-hot-middleware": "2.21.0",