diff --git a/themes/typing/package.json b/themes/typing/package.json
index a7ce083..cd2119e 100644
--- a/themes/typing/package.json
+++ b/themes/typing/package.json
@@ -26,6 +26,6 @@
     "cssnano": "^4.1.7",
     "postcss-cli": "^6.0.1",
     "postcss-import": "^12.0.1",
-    "precss": "^3.1.2"
+    "precss": "^4.0.0"
   }
 }