diff --git a/package.json b/package.json
index c99b17a..8b20ea9 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
     "json-stable-stringify": "^1.0.1",
     "jszip": "^3.0.0",
     "postcss-cachebuster": "^0.1.2",
-    "postcss-cli": "^2.5.2",
+    "postcss-cli": "^3.0.0",
     "postcss-import": "^7.1.3",
     "postcss-import-url": "^1.0.0",
     "postcss-mq-keyframes": "^0.3.0",