diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index 39890f6bdf9..25690e95d0b 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -42,7 +42,7 @@
     "browserslist": "2.11.3",
     "chalk": "2.3.0",
     "cross-spawn": "5.1.0",
-    "detect-port-alt": "1.1.5",
+    "detect-port-alt": "1.1.6",
     "escape-string-regexp": "1.0.5",
     "filesize": "3.5.11",
     "find-pkg": "1.0.0",