diff --git a/src/third_party/duktape-1.5.2/debugger/package.json b/src/third_party/duktape-1.5.2/debugger/package.json
index 961657448..fe65f9d16 100644
--- a/src/third_party/duktape-1.5.2/debugger/package.json
+++ b/src/third_party/duktape-1.5.2/debugger/package.json
@@ -11,7 +11,7 @@
     "minimist": "~1.1.0",
     "express": "~4.10.1",
     "body-parser": "~1.9.3",
-    "socket.io": "~1.2.1",
+    "socket.io": "~2.0.2",
     "utf8": "~2.0.0",
     "wrench": "~1.5.8",
     "sprintf": "~0.1.5",
diff --git a/src/third_party/duktape-1.8.0/debugger/package.json b/src/third_party/duktape-1.8.0/debugger/package.json
index 961657448..6ebe0e21c 100644
--- a/src/third_party/duktape-1.8.0/debugger/package.json
+++ b/src/third_party/duktape-1.8.0/debugger/package.json
@@ -11,7 +11,7 @@
     "minimist": "~1.1.0",
     "express": "~4.10.1",
     "body-parser": "~1.9.3",
-    "socket.io": "~1.2.1",
+    "socket.io": "~2.4.0",
     "utf8": "~2.0.0",
     "wrench": "~1.5.8",
     "sprintf": "~0.1.5",