diff --git a/package-lock.json b/package-lock.json
index bcdc361..93a8a3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "grunt-version": "^3.0.1",
         "grunt-wp-readme-to-markdown": "^2.1.0",
         "npm-run-all": "^4.1.5",
-        "postcss": "^8.5.4",
+        "postcss": "^8.5.6",
         "replace-in-file": "^7.1.0",
         "semantic-release": "^19.0.5",
         "semantic-release-slack-bot": "^4.0.2",
@@ -22852,9 +22852,9 @@
       }
     },
     "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": "8.5.6",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
+      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
       "dev": true,
       "funding": [
         {
@@ -22870,6 +22870,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
diff --git a/package.json b/package.json
index 69fcb1f..04a03e6 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "grunt-version": "^3.0.1",
     "grunt-wp-readme-to-markdown": "^2.1.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.5.4",
+    "postcss": "^8.5.6",
     "replace-in-file": "^7.1.0",
     "semantic-release": "^19.0.5",
     "semantic-release-slack-bot": "^4.0.2",