diff --git a/package.json b/package.json
index b408705..818a2cc 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "eslint-config-next": "^13.0.3",
     "eslint-plugin-react": "^7.31.11",
     "eslint-plugin-simple-import-sort": "^8.0.0",
-    "postcss": "^8.4.20",
+    "postcss": "^8.4.21",
     "tailwindcss": "^3.2.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 1a4cf31..25e1597 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1775,10 +1775,10 @@ postcss@8.4.14:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@^8.4.18, postcss@^8.4.20:
-  version "8.4.20"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.20.tgz#64c52f509644cecad8567e949f4081d98349dc56"
-  integrity sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==
+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"