diff --git a/package-lock.json b/package-lock.json
index ce30ff1..bc70b34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
         "@types/node": "^26.0.1",
         "autoprefixer": "^10.5.2",
         "opencc-js": "^1.3.2",
-        "postcss": "^8.5.16",
+        "postcss": "^8.5.23",
         "tailwindcss": "^3.4.19",
         "tsx": "^4.22.4",
         "typescript": "^6.0.3",
@@ -3904,9 +3904,9 @@
       }
     },
     "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": "3.3.16",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.16.tgz",
+      "integrity": "sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==",
       "dev": true,
       "funding": [
         {
@@ -4069,9 +4069,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.16",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.16.tgz",
-      "integrity": "sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==",
+      "version": "8.5.23",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.23.tgz",
+      "integrity": "sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==",
       "dev": true,
       "funding": [
         {
@@ -4089,7 +4089,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.12",
+        "nanoid": "^3.3.16",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/package.json b/package.json
index ba7e9f5..94e3e15 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "@types/node": "^26.0.1",
     "autoprefixer": "^10.5.2",
     "opencc-js": "^1.3.2",
-    "postcss": "^8.5.16",
+    "postcss": "^8.5.23",
     "tailwindcss": "^3.4.19",
     "tsx": "^4.22.4",
     "typescript": "^6.0.3",