diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index b7660595454..f3062c56d19 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -28,7 +28,7 @@
     "escape-string-regexp": "1.0.5",
     "html-entities": "1.2.0",
     "opn": "4.0.2",
-    "sockjs-client": "1.0.3",
+    "sockjs-client": "1.0.1",
     "strip-ansi": "3.0.1"
   }
 }