diff --git a/themes/typing/package.json b/themes/typing/package.json
index 46f7748..c638e3a 100644
--- a/themes/typing/package.json
+++ b/themes/typing/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "cssnano": "^3.7.3",
-    "postcss-cli": "^2.5.2",
+    "postcss-cli": "^6.0.0",
     "postcss-import": "^8.1.2",
     "precss": "^1.4.0"
   }