diff --git a/package.json b/package.json
index 96523df..33c501c 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "express": "^4.8.0",
     "pg": "7.4.0",
     "pg-native": "3.0.1",
-    "sockjs": ">= 0.3.1",
+    "sockjs": "0.3.24",
     "ws": "5.2.4",
     "coffee-script": "1.7.0",
     "hat": "*"