diff --git a/package-lock.json b/package-lock.json
index abd9cbd01e..1d2e1c7038 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25956,9 +25956,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.30",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.30.tgz",
-      "integrity": "sha512-7ZEao1g4kd68l97aWG/etQKPKq07us0ieSZ2TnFDk11i0ZfDW2AwKHYU8qv4MZKqN2fdBfg+7q0ES06UA73C1g==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "dev": true,
       "funding": [
         {
@@ -32552,7 +32552,7 @@
         "jest-date-mock": "1.0.8",
         "lodash": "4.17.21",
         "mini-css-extract-plugin": "2.7.6",
-        "postcss": "8.4.30",
+        "postcss": "8.4.31",
         "postcss-loader": "7.3.3",
         "preact": "10.17.1",
         "prop-types": "15.8.1",
diff --git a/packages/html-templates/package.json b/packages/html-templates/package.json
index 9dcfbee4e1..d0757526f2 100644
--- a/packages/html-templates/package.json
+++ b/packages/html-templates/package.json
@@ -54,7 +54,7 @@
     "jest-date-mock": "1.0.8",
     "lodash": "4.17.21",
     "mini-css-extract-plugin": "2.7.6",
-    "postcss": "8.4.30",
+    "postcss": "8.4.31",
     "postcss-loader": "7.3.3",
     "preact": "10.17.1",
     "prop-types": "15.8.1",