diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index dbf1f6b65ed..bd05833f0b7 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -60,7 +60,7 @@
     "react-error-overlay": "^1.0.10",
     "resolve": "1.6.0",
     "sass-loader": "^6.0.6",
-    "style-loader": "0.19.0",
+    "style-loader": "0.21.0",
     "stylus": "^0.54.5",
     "stylus-loader": "^3.0.1",
     "sw-precache-webpack-plugin": "0.11.4",