diff --git a/crimson-rtm5/crimson-webserver/package-lock.json b/crimson-rtm5/crimson-webserver/package-lock.json
index 4796104..0dc58d1 100644
--- a/crimson-rtm5/crimson-webserver/package-lock.json
+++ b/crimson-rtm5/crimson-webserver/package-lock.json
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diff --git a/crimson-rtm5/crimson-webserver/package.json b/crimson-rtm5/crimson-webserver/package.json
index af31a2e..6e345c7 100644
--- a/crimson-rtm5/crimson-webserver/package.json
+++ b/crimson-rtm5/crimson-webserver/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
      "express": "~4.12.x",
      "jade": "~1.9.x",
-     "socket.io" : "~1.3.x",
+     "socket.io" : "~4.6.x",
      "serve-favicon" : "~2.2.x"
   }
 }