diff --git a/package.json b/package.json
index 7351517d..3429d83a 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "clsx": "^1.2.1",
     "fuse.js": "^6.6.2",
     "luxon": "^3.2.1",
-    "postcss": "^8.4.18",
+    "postcss": "^8.4.21",
     "prism-react-renderer": "^1.3.5",
     "react": "^17.0.2",
     "react-cookie-consent": "^8.0.1",
diff --git a/yarn.lock b/yarn.lock
index e2743e51..8db17fa3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7075,10 +7075,10 @@ postcss-zindex@^5.1.0:
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-5.1.0.tgz#4a5c7e5ff1050bd4c01d95b1847dfdcc58a496ff"
   integrity sha512-fgFMf0OtVSBR1va1JNHYgMxYk73yhn/qb4uQDq1DLGYolz8gHCyr/sesEuGUaYs58E3ZJRcpoGuPVoB7Meiq9A==
 
-postcss@^8.3.11, postcss@^8.4.14, postcss@^8.4.17, postcss@^8.4.18:
-  version "8.4.20"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.20.tgz#64c52f509644cecad8567e949f4081d98349dc56"
-  integrity sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==
+postcss@^8.3.11, postcss@^8.4.14, postcss@^8.4.17, postcss@^8.4.18, postcss@^8.4.21:
+  version "8.4.21"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.21.tgz#c639b719a57efc3187b13a1d765675485f4134f4"
+  integrity sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"