diff --git a/src/frontend/package-lock.json b/src/frontend/package-lock.json
index 221394c..70b037e 100644
--- a/src/frontend/package-lock.json
+++ b/src/frontend/package-lock.json
@@ -29,7 +29,7 @@
         "lucide-react": "^1.7.0",
         "mermaid": "^11.15.0",
         "messagebar": "^0.2.1",
-        "postcss": "^8.5.8",
+        "postcss": "^8.5.26",
         "react": "^19.2.4",
         "react-dom": "^19.2.4",
         "react-dropzone": "^15.0.0",
@@ -9029,9 +9029,9 @@
       "license": "MIT"
     },
     "node_modules/nanoid": {
-      "version": "3.3.12",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.12.tgz",
-      "integrity": "sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==",
+      "version": "3.3.17",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.17.tgz",
+      "integrity": "sha512-xQLf0A3HOMlgHq0n247/LRuAOYmB7dXJ/DvAxGvsSBij45XtBSmQycu+F8ODbHwns/XyFZagyL1+J0Offw1E0g==",
       "funding": [
         {
           "type": "github",
@@ -9427,9 +9427,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
-      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
+      "version": "8.5.26",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.26.tgz",
+      "integrity": "sha512-u82N74LFzG8ca+dD8puPnplTXoGH4fTPpVGuIbt36G3qvNlkvfD0lEAZSxaly3KX8TS/L1A1gsCEmvKmBcVbkQ==",
       "funding": [
         {
           "type": "opencollective",
@@ -9446,7 +9446,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.12",
+        "nanoid": "^3.3.17",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/src/frontend/package.json b/src/frontend/package.json
index 7a57091..0a36883 100644
--- a/src/frontend/package.json
+++ b/src/frontend/package.json
@@ -31,7 +31,7 @@
     "lucide-react": "^1.7.0",
     "mermaid": "^11.15.0",
     "messagebar": "^0.2.1",
-    "postcss": "^8.5.8",
+    "postcss": "^8.5.26",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "react-dropzone": "^15.0.0",