diff --git a/package-lock.json b/package-lock.json
index e55fbc42878..9a3fb6246c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "autoprefixer": "^10.4.19",
         "docsy": "github:google/docsy#semver:0.10.0",
         "hugo-extended": "^0.126.1",
-        "postcss": "^8.4.38",
+        "postcss": "^8.5.10",
         "postcss-cli": "^8.3.1"
       }
     },
@@ -1693,10 +1693,11 @@
       "dev": true
     },
     "node_modules/picocolors": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
-      "dev": true
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
+      "integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==",
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/picomatch": {
       "version": "2.3.2",
@@ -1742,9 +1743,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.38",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.38.tgz",
-      "integrity": "sha512-Wglpdk03BSfXkHoQa3b/oulrotAkwrlLDRSOb9D0bN86FdRyE9lppSp33aHNPgBa0JKCoB+drFLZkQoRRYae5A==",
+      "version": "8.5.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+      "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
       "dev": true,
       "funding": [
         {
@@ -1760,10 +1761,11 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.7",
-        "picocolors": "^1.0.0",
-        "source-map-js": "^1.2.0"
+        "nanoid": "^3.3.11",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -2156,10 +2158,11 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.0.tgz",
-      "integrity": "sha512-itJW8lvSA0TXEphiRoawsCksnlf8SyvmFzIhltqAHluXd88pkCd+cXJVHTDwdCr0IzwptSm035IHQktUu1QUMg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
+      "integrity": "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==",
       "dev": true,
+      "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.10.0"
       }
diff --git a/package.json b/package.json
index 492a90f5bb8..4cee4b51888 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "autoprefixer": "^10.4.19",
     "docsy": "github:google/docsy#semver:0.10.0",
     "hugo-extended": "^0.126.1",
-    "postcss": "^8.4.38",
+    "postcss": "^8.5.10",
     "postcss-cli": "^8.3.1"
   },
   "dependencies": {