diff --git a/package-lock.json b/package-lock.json
index 710cf6ed86c9f..64576e520a49b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "ncp": "^2.0.0",
         "node-version-data": "^1.1.0",
         "npm-run-all": "^4.1.5",
-        "postcss": "^8.4.18",
+        "postcss": "^8.4.20",
         "sass": "^1.56.1",
         "semver": "^7.3.8",
         "strftime": "^0.10.1"
@@ -5398,9 +5398,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.19",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.19.tgz",
-      "integrity": "sha512-h+pbPsyhlYj6N2ozBmHhHrs9DzGmbaarbLvWipMRO7RLS+v4onj26MPFXA5OBYFxyqYhUJK456SwDcY9H2/zsA==",
+      "version": "8.4.20",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
+      "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
       "funding": [
         {
           "type": "opencollective",
@@ -12656,9 +12656,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.4.19",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.19.tgz",
-      "integrity": "sha512-h+pbPsyhlYj6N2ozBmHhHrs9DzGmbaarbLvWipMRO7RLS+v4onj26MPFXA5OBYFxyqYhUJK456SwDcY9H2/zsA==",
+      "version": "8.4.20",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
+      "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
       "requires": {
         "nanoid": "^3.3.4",
         "picocolors": "^1.0.0",
diff --git a/package.json b/package.json
index 501ceb238779a..40123b845c716 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "ncp": "^2.0.0",
     "node-version-data": "^1.1.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.4.18",
+    "postcss": "^8.4.20",
     "sass": "^1.56.1",
     "semver": "^7.3.8",
     "strftime": "^0.10.1"