diff --git a/package.json b/package.json
index a106d62..719933a 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "assert": "Jxck/assert",
     "better-es5-shim": "^0.1.0",
-    "es5-shim": "^4.5.9",
+    "es5-shim": "^4.5.10",
     "istanbul": "^0.4.5",
     "istanbul-coveralls": "^1.0.2",
     "mocha": "~3.5.0",