diff --git a/csunplugged/package.json b/csunplugged/package.json
index 842fa7938..3c573f6b6 100644
--- a/csunplugged/package.json
+++ b/csunplugged/package.json
@@ -32,7 +32,7 @@
         "multiple-select": "1.6.0",
         "pixrem": "5.0.0",
         "popper.js": "1.16.1",
-        "postcss": "8.4.30",
+        "postcss": "8.4.31",
         "postcss-flexbugs-fixes": "5.0.2",
         "reveal.js": "4.6.1",
         "sass": "1.68.0",