diff --git a/2017_07_19_15th/Pharming/package.json b/2017_07_19_15th/Pharming/package.json
index 87cd311..eb0a18b 100644
--- a/2017_07_19_15th/Pharming/package.json
+++ b/2017_07_19_15th/Pharming/package.json
@@ -38,7 +38,7 @@
     "grunt-zip": "~0.17.1",
     "mustache": "~2.2.1",
     "node-sass": ">=4.13.1",
-    "socket.io": "^1.4.8"
+    "socket.io": ">=3.1.1"
   },
   "license": "MIT"
 }