diff --git a/tools/server/webui/package-lock.json b/tools/server/webui/package-lock.json
index a05cbcfe5c392..0729aa40d75f4 100644
--- a/tools/server/webui/package-lock.json
+++ b/tools/server/webui/package-lock.json
@@ -19,7 +19,7 @@
         "highlight.js": "^11.10.0",
         "katex": "^0.16.15",
         "pdfjs-dist": "^5.2.133",
-        "postcss": "^8.4.49",
+        "postcss": "^8.5.6",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
         "react-dropzone": "^14.3.8",
@@ -4878,9 +4878,9 @@
       "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": "3.3.11",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
+      "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
       "funding": [
         {
           "type": "github",
@@ -5077,9 +5077,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.1",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.1.tgz",
-      "integrity": "sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==",
+      "version": "8.5.6",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
+      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
       "funding": [
         {
           "type": "opencollective",
@@ -5096,7 +5096,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.8",
+        "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/tools/server/webui/package.json b/tools/server/webui/package.json
index 8076840324d49..64f1162731372 100644
--- a/tools/server/webui/package.json
+++ b/tools/server/webui/package.json
@@ -22,7 +22,7 @@
     "highlight.js": "^11.10.0",
     "katex": "^0.16.15",
     "pdfjs-dist": "^5.2.133",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.6",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-dropzone": "^14.3.8",