diff --git a/package.json b/package.json
index 4a19f3c39..71e6c74e9 100644
--- a/package.json
+++ b/package.json
@@ -341,7 +341,7 @@
     "http-proxy": "^1.13.0",
     "isbinaryfile": "^3.0.0",
     "lodash": "^4.17.4",
-    "log4js": "^1.1.1",
+    "log4js": "^2.4.1",
     "mime": "^1.3.4",
     "minimatch": "^3.0.2",
     "optimist": "^0.6.1",
@@ -349,7 +349,7 @@
     "range-parser": "^1.2.0",
     "rimraf": "^2.6.0",
     "safe-buffer": "^5.0.1",
-    "socket.io": "1.7.4",
+    "socket.io": "2.1.0",
     "source-map": "^0.5.3",
     "tmp": "0.0.31",
     "useragent": "^2.1.12"