diff --git a/package-lock.json b/package-lock.json
index 181fd42f0f1..f36ec80b569 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -71,7 +71,7 @@
         "jest-axe": "6.0.0",
         "jest-cli": "27.4.5",
         "lint-staged": "13.0.3",
-        "postcss": "8.4.17",
+        "postcss": "8.4.18",
         "prettier": "2.7.1",
         "puppeteer": "10.0.0",
         "quicktype-core": "6.1.0",
@@ -24758,9 +24758,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.17",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.17.tgz",
-      "integrity": "sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==",
+      "version": "8.4.18",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.18.tgz",
+      "integrity": "sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==",
       "dev": true,
       "funding": [
         {
@@ -52915,9 +52915,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.4.17",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.17.tgz",
-      "integrity": "sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==",
+      "version": "8.4.18",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.18.tgz",
+      "integrity": "sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==",
       "dev": true,
       "requires": {
         "nanoid": "^3.3.4",
diff --git a/package.json b/package.json
index 85fb5f85ec0..12077f45dd7 100644
--- a/package.json
+++ b/package.json
@@ -132,7 +132,7 @@
     "jest-axe": "6.0.0",
     "jest-cli": "27.4.5",
     "lint-staged": "13.0.3",
-    "postcss": "8.4.17",
+    "postcss": "8.4.18",
     "prettier": "2.7.1",
     "puppeteer": "10.0.0",
     "quicktype-core": "6.1.0",