diff --git a/package.json b/package.json
index a15ad63..9f3f8ac 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
   },
   "peerDependencies": {
     "webpack": "*",
-    "postcss-loader": "^2.1.3"
+    "postcss-loader": "^2.1.3 || ^3.0.0"
   },
   "config": {
     "commitizen": {