diff --git a/package.json b/package.json
index d0e3905..bcf611d 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "karma-webpack": "^1.7.0",
     "mocha": "^2.4.5",
     "node-libs-browser": "^1.0.0",
-    "phantomjs-prebuilt": "^2.1.4",
+    "phantomjs-prebuilt": "^2.1.9",
     "rimraf": "^2.5.1",
     "webpack": "^1.12.13"
   },