diff --git a/package-lock.json b/package-lock.json
index b1cf4c19..37f5bfbe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -51,7 +51,7 @@
         "gulp-typescript": "^6.0.0-alpha.1",
         "mocha": "^10.4.0",
         "node-fetch": "^3.3.2",
-        "postcss": "^8.4.38",
+        "postcss": "^8.5.10",
         "ps-list": "^8.1.1",
         "rewiremock": "^3.14.5",
         "sinon": "^15.2.0",
@@ -7701,9 +7701,9 @@
       }
     },
     "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": "8.5.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+      "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index 022d496d..db4b0b98 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "gulp-typescript": "^6.0.0-alpha.1",
     "mocha": "^10.4.0",
     "node-fetch": "^3.3.2",
-    "postcss": "^8.4.38",
+    "postcss": "^8.5.10",
     "ps-list": "^8.1.1",
     "rewiremock": "^3.14.5",
     "sinon": "^15.2.0",