diff --git a/package.json b/package.json
index 8d6e10c67e..09f29b5e67 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "istanbul": "0.4.5",
     "jquery": "3.1.1",
     "mocha": "3.1.2",
-    "mocha-phantomjs-core": "^1.3.0",
+    "mocha-phantomjs-core": "^2.1.0",
     "mustache": "2.3.0",
     "phantomjs-prebuilt": "2.1.13",
     "proj4": "2.3.15",