diff --git a/package.json b/package.json
index 41213a1c0..a578b343b 100644
--- a/package.json
+++ b/package.json
@@ -17,8 +17,8 @@
         "debug": "~0.7.4",
         "ejs": "~1.0.0",
         "emmet": "git+https://github.com/cloud9ide/emmet-core.git#2ff6dc06ad",
-        "engine.io": "1.6.9",
-        "engine.io-client": "1.6.9",
+        "engine.io": "3.4.0",
+        "engine.io-client": "3.5.0",
         "jsonm": "1.0.6",
         "http-error": "~0.0.5",
         "less": "^2.4.0",
@@ -37,7 +37,7 @@
         "through": "2.2.0",
         "tmp": "~0.0.20",
         "uglify-js": "~2.6.2",
-        "ws": "1.0.1",
+        "ws": "7.4.6",
         "read": "~1.0.5",
         "form-data": "~0.2.0",
         "chai": "~1.5.0",