diff --git a/package.json b/package.json
index ed23b674d2431fc0d33a29b0eb0f43fbc45ece3c..4f3da7e5188089c78d7bfa20ed96d55a0e8ec71b 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "postcss-loader": "^2.0.8",
     "promise-polyfill": "^7.0.0",
     "sass-loader": "^6.0.6",
-    "style-loader": "^0.20.0",
+    "style-loader": "^0.21.0",
     "stylelint": "^9.0.0",
     "stylelint-config-standard": "^18.0.0",
     "stylelint-order": "^0.8.0",