diff --git a/package.json b/package.json
index cf31e502..76d11801 100644
--- a/package.json
+++ b/package.json
@@ -195,7 +195,7 @@
     "sinon": "^4.0.0",
     "sinon-called-with-diff": "^2.0.0",
     "socket.io-client": "^2.0.1",
-    "style-loader": "^0.20.1",
+    "style-loader": "^0.21.0",
     "stylelint": "^9.0.0",
     "stylelint-config-standard": "^18.0.0",
     "tape": "^4.4.0",