diff --git a/wwwsrc/package.json b/wwwsrc/package.json
index 8759cc2..0f95ec0 100644
--- a/wwwsrc/package.json
+++ b/wwwsrc/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "@fullhuman/postcss-purgecss": "^5.0.0",
+    "@fullhuman/postcss-purgecss": "^6.0.0",
     "bootstrap": "^5.3.1",
     "chart.js": "^4.2.0",
     "couch64": "^1.0.2",