diff --git a/src/package.json b/src/package.json
index 93f4ff9c..1ed45b76 100644
--- a/src/package.json
+++ b/src/package.json
@@ -23,7 +23,7 @@
         "lodash": ">=4.17.5",
         "strftime": "^0.9.2",
         "del": "^1.2.0",
-        "event-stream": "^3.3.1",
+        "event-stream": "3.3.4",
         "eslint": "^2.11.0",
         "gulp-eslint": "^2.0.0",
         "mkdirp": "^0.5.1",