diff --git a/package.json b/package.json
index 8faaa1b..a242e1d 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
         "@tailwindcss/aspect-ratio": "^0.4.0",
         "@tailwindcss/line-clamp": "^0.4.0",
         "autoprefixer": "^10.4.4",
-        "postcss": "^8.4.14",
+        "postcss": "^8.4.21",
         "tailwindcss": "^3.1.5"
     },
     "packageManager": "yarn@3.1.1"
diff --git a/yarn.lock b/yarn.lock
index e53521e..5c53917 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6956,10 +6956,10 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.1.10, postcss@^8.2.15, postcss@^8.4.14:
-  version "8.4.14"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.14.tgz#ee9274d5622b4858c1007a74d76e42e56fd21caf"
-  integrity sha512-E398TUmfAYFPBSdzgeieK2Y1+1cpdxJx8yXbK/m57nRhKSmk1GB2tO4lbLBtlkfPQTDKfe4Xqv1ASWPpayPEig==
+postcss@^8.1.10, postcss@^8.2.15, postcss@^8.4.14, 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"