diff --git a/package.json b/package.json
index 55e1047..0f5da6d 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@11ty/eleventy": "^2.0.1",
     "@11ty/eleventy-navigation": "^0.3.5",
     "@node-minify/core": "^8.0.6",
-    "@node-minify/crass": "^8.0.6",
+    "@node-minify/crass": "^9.0.0",
     "@node-minify/html-minifier": "^8.0.6",
     "@sardine/eleventy-plugin-tinyhtml": "^0.2.0",
     "cpx": "^1.5.0",