diff --git a/package-lock.json b/package-lock.json
index a453ac418..c32ea89c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21910,9 +21910,9 @@
       "license": "MIT"
     },
     "node_modules/nanoid": {
-      "version": "3.3.8",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.8.tgz",
-      "integrity": "sha512-WNLf5Sd8oZxOm+TzppcYk8gVOgP+l58xNy58D0nbUnOxOWRWvlcCV4kUF7ltmI6PsrLl/BgKEyS4mqsGChFN0w==",
+      "version": "3.3.12",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.12.tgz",
+      "integrity": "sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==",
       "funding": [
         {
           "type": "github",
@@ -23392,9 +23392,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.1",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.1.tgz",
-      "integrity": "sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==",
+      "version": "8.5.14",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.14.tgz",
+      "integrity": "sha512-SoSL4+OSEtR99LHFZQiJLkT59C5B1amGO1NzTwj7TT1qCUgUO6hxOvzkOYxD+vMrXBM3XJIKzokoERdqQq/Zmg==",
       "dev": true,
       "funding": [
         {
@@ -23412,7 +23412,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.8",
+        "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
@@ -34759,7 +34759,7 @@
         "@web/test-runner-core": "^0.13.0",
         "chai": "^4.2.0",
         "mocha": "^10.8.2",
-        "postcss": "^8.4.31",
+        "postcss": "^8.5.14",
         "rollup-plugin-postcss": "^4.0.2"
       },
       "engines": {
diff --git a/packages/dev-server-rollup/package.json b/packages/dev-server-rollup/package.json
index 0b5322d5d..d8381ef2e 100644
--- a/packages/dev-server-rollup/package.json
+++ b/packages/dev-server-rollup/package.json
@@ -67,7 +67,7 @@
     "@web/test-runner-core": "^0.13.0",
     "chai": "^4.2.0",
     "mocha": "^10.8.2",
-    "postcss": "^8.4.31",
+    "postcss": "^8.5.14",
     "rollup-plugin-postcss": "^4.0.2"
   }
 }