diff --git a/package-lock.json b/package-lock.json
index a5ff712..9df8e0d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "clsx": "^1.2.1",
         "intro.js": "^6.0.0",
         "jsdom": "^20.0.0",
-        "postcss": "^8.4.18",
+        "postcss": "^8.4.21",
         "react": "^17.0.2",
         "react-dom": "^17.0.2"
       }
@@ -9112,9 +9112,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.18",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.18.tgz",
-      "integrity": "sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "funding": [
         {
           "type": "opencollective",
@@ -19906,9 +19906,9 @@
       }
     },
     "postcss": {
-      "version": "8.4.18",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.18.tgz",
-      "integrity": "sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "requires": {
         "nanoid": "^3.3.4",
         "picocolors": "^1.0.0",
diff --git a/package.json b/package.json
index 0ca5fb6..a0d5faf 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "clsx": "^1.2.1",
     "intro.js": "^6.0.0",
     "jsdom": "^20.0.0",
-    "postcss": "^8.4.18",
+    "postcss": "^8.4.21",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
   },