diff --git a/package.json b/package.json
index 6f7469c36..4f347ca96 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "minilog": "3.1.0",
     "mkdirp": "^0.5.1",
     "postcss-import": "^11.0.0",
-    "postcss-loader": "^2.1.4",
+    "postcss-loader": "^3.0.0",
     "postcss-simple-vars": "^4.0.0",
     "prop-types": "^15.5.10",
     "raf": "^3.4.0",