diff --git a/package.json b/package.json
index fc01de32..db330d9e 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "hugo-cli": "^0.15.0",
     "hugo-extended": "^0.123.8",
     "lunr": "^2.3.9",
-    "postcss": "^8.5.16",
+    "postcss": "^8.5.19",
     "postcss-cli": "^11.0.1",
     "toml": "^4.1.2"
   },
diff --git a/yarn.lock b/yarn.lock
index 5c68c4f3..c923142b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1175,10 +1175,10 @@ postcss-value-parser@^4.2.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.5.16:
-  version "8.5.16"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.16.tgz#1230ce0b5df354c24c0ea45f99ce5f6a88279d28"
-  integrity sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==
+postcss@^8.5.19:
+  version "8.5.19"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.19.tgz#45ad5cfde499408e20147348237551381a922037"
+  integrity sha512-Mz8SaolMd8nB+G13WkORcxQKHZ/NE4xXevtkJHVuG+guo9/wYKlIMTKAqGdEmYOXR2ijPjTYNHssizdaVSUNdQ==
   dependencies:
     nanoid "^3.3.12"
     picocolors "^1.1.1"