diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index 54606f33fe8..364f773a64f 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -51,7 +51,7 @@
     "react-error-overlay": "^3.0.0",
     "recursive-readdir": "2.2.1",
     "shell-quote": "1.6.1",
-    "sockjs-client": "1.1.4",
+    "sockjs-client": "1.2.0",
     "strip-ansi": "3.0.1",
     "text-table": "0.2.0"
   },