diff --git a/package-lock.json b/package-lock.json
index 351ea14..4dbf675 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "ISC",
       "devDependencies": {
         "autoprefixer": "^10.4.14",
-        "postcss": "^8.5.4",
+        "postcss": "^8.5.5",
         "postcss-cli": "^10.1.0"
       }
     },
@@ -605,9 +605,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.4.tgz",
-      "integrity": "sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==",
+      "version": "8.5.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.5.tgz",
+      "integrity": "sha512-d/jtm+rdNT8tpXuHY5MMtcbJFBkhXE6593XVR9UoGCH8jSFGci7jGvMGH5RYd5PBJW+00NZQt6gf7CbagJCrhg==",
       "dev": true,
       "funding": [
         {
@@ -1378,9 +1378,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.5.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.4.tgz",
-      "integrity": "sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==",
+      "version": "8.5.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.5.tgz",
+      "integrity": "sha512-d/jtm+rdNT8tpXuHY5MMtcbJFBkhXE6593XVR9UoGCH8jSFGci7jGvMGH5RYd5PBJW+00NZQt6gf7CbagJCrhg==",
       "dev": true,
       "requires": {
         "nanoid": "^3.3.11",
diff --git a/package.json b/package.json
index 7e874b6..855bedf 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/google/docsy-example#readme",
   "devDependencies": {
     "autoprefixer": "^10.4.14",
-    "postcss": "^8.5.4",
+    "postcss": "^8.5.5",
     "postcss-cli": "^10.1.0"
   }
 }