diff --git a/package.json b/package.json
index 7b5ad68..dea6774 100644
--- a/package.json
+++ b/package.json
@@ -119,7 +119,7 @@
     "npm-run-all": "4.0.1",
     "nsp": "2.6.2",
     "nyc": "10.1.2",
-    "phantomjs-prebuilt": "2.1.14",
+    "phantomjs-prebuilt": "2.1.15",
     "rimraf": "2.5.4",
     "rollup": "0.41.4",
     "rollup-plugin-babel": "2.7.1",