diff --git a/package.json b/package.json
index 56f9f8e52..aa84f85f6 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "dayjs": "^1.11.21",
     "google-palette": "^1.1.1",
     "highlight.js": "^11.11.1",
-    "postcss": "^8.5.16",
+    "postcss": "^8.5.19",
     "postcss-cli": "^11.0.1",
     "postcss-import": "^16.1.1",
     "postcss-nesting": "^14.0.0",
diff --git a/yarn.lock b/yarn.lock
index 009c169d7..7dfb2d45c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -931,10 +931,10 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.2.0:
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.5.15, 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@^8.5.15, 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"