diff --git a/package.json b/package.json
index d081f54..9497a25 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "@vitejs/plugin-react": "^6.0.3",
     "autoprefixer": "^10.4.20",
     "jsdom": "^29.1.1",
-    "postcss": "^8.5.18",
+    "postcss": "^8.5.23",
     "tailwindcss": "^4",
     "typescript": "^5.9.3",
     "vite": "^8.1.1",
diff --git a/web/package.json b/web/package.json
index 7150731..aacfb36 100644
--- a/web/package.json
+++ b/web/package.json
@@ -21,7 +21,7 @@
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",
-    "postcss": "^8.5.18",
+    "postcss": "^8.5.23",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.7.2",
     "vite": "^6.0.5"
diff --git a/yarn.lock b/yarn.lock
index 39bb98b..8e63739 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3808,7 +3808,7 @@ __metadata:
     clsx: "npm:^2.1.1"
     framer-motion: "npm:^12.23.12"
     lucide-react: "npm:^0.468.0"
-    postcss: "npm:^8.5.18"
+    postcss: "npm:^8.5.23"
     react: "npm:^19.2.3"
     react-dom: "npm:^19.2.3"
     tailwind-merge: "npm:^2.5.5"
@@ -3840,7 +3840,7 @@ __metadata:
     lucide-react: "npm:^0.468.0"
     motion: "npm:^12.0.0"
     next-themes: "npm:^0.4.6"
-    postcss: "npm:^8.5.18"
+    postcss: "npm:^8.5.23"
     qrcode: "npm:^1.5.4"
     react: "npm:^19.2.3"
     react-dom: "npm:^19.2.3"
@@ -5067,6 +5067,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"nanoid@npm:^3.3.16":
+  version: 3.3.18
+  resolution: "nanoid@npm:3.3.18"
+  bin:
+    nanoid: bin/nanoid.cjs
+  checksum: 10c0/b994b4e396730f8be2520923284e2040d61eaee55cc6d4935ef6d38d34bafdc46133eda4d3faea5073bda545aa6079d82b886caeac5c731cf9ac18bcc1301425
+  languageName: node
+  linkType: hard
+
 "nanospinner@npm:^1.2.2":
   version: 1.2.2
   resolution: "nanospinner@npm:1.2.2"
@@ -5584,14 +5593,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.5.18":
-  version: 8.5.18
-  resolution: "postcss@npm:8.5.18"
+"postcss@npm:^8.5.23":
+  version: 8.5.23
+  resolution: "postcss@npm:8.5.23"
   dependencies:
-    nanoid: "npm:^3.3.12"
+    nanoid: "npm:^3.3.16"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10c0/6fbab24a457ca5b90d423c333d0bab13e6646fda646e83235eed892f9e4f2dc6c50689ddc5ac1632fc085be2e096d2e8e03779ac092de6353e1cfcbbc3681685
+  checksum: 10c0/ed714e635b330bb42666ecdd0c0b4f30224ded15b0b0052d6bc2b92832f2cf17d1c1141359453f96f0a84f8fbf4c405a74df187f559163b8f31131b2535455aa
   languageName: node
   linkType: hard