diff --git a/lecture1218/demo/package-lock.json b/lecture1218/demo/package-lock.json
index f7cdd42..c022bcd 100644
--- a/lecture1218/demo/package-lock.json
+++ b/lecture1218/demo/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "devDependencies": {
         "typescript": "^5.2.2",
-        "vite": "^5.0.0"
+        "vite": "^5.0.12"
       }
     },
     "node_modules/@esbuild/android-arm": {
@@ -688,9 +688,9 @@
       }
     },
     "node_modules/vite": {
-      "version": "5.0.7",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-5.0.7.tgz",
-      "integrity": "sha512-B4T4rJCDPihrQo2B+h1MbeGL/k/GMAHzhQ8S0LjQ142s6/+l3hHTT095ORvsshj4QCkoWu3Xtmob5mazvakaOw==",
+      "version": "5.0.12",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-5.0.12.tgz",
+      "integrity": "sha512-4hsnEkG3q0N4Tzf1+t6NdN9dg/L3BM+q8SWgbSPnJvrgH2kgdyzfVJwbR1ic69/4uMJJ/3dqDZZE5/WwqW8U1w==",
       "dev": true,
       "dependencies": {
         "esbuild": "^0.19.3",
@@ -1084,9 +1084,9 @@
       "dev": true
     },
     "vite": {
-      "version": "5.0.7",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-5.0.7.tgz",
-      "integrity": "sha512-B4T4rJCDPihrQo2B+h1MbeGL/k/GMAHzhQ8S0LjQ142s6/+l3hHTT095ORvsshj4QCkoWu3Xtmob5mazvakaOw==",
+      "version": "5.0.12",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-5.0.12.tgz",
+      "integrity": "sha512-4hsnEkG3q0N4Tzf1+t6NdN9dg/L3BM+q8SWgbSPnJvrgH2kgdyzfVJwbR1ic69/4uMJJ/3dqDZZE5/WwqW8U1w==",
       "dev": true,
       "requires": {
         "esbuild": "^0.19.3",
diff --git a/lecture1218/demo/package.json b/lecture1218/demo/package.json
index 08e2fe9..e08568f 100644
--- a/lecture1218/demo/package.json
+++ b/lecture1218/demo/package.json
@@ -10,6 +10,6 @@
   },
   "devDependencies": {
     "typescript": "^5.2.2",
-    "vite": "^5.0.0"
+    "vite": "^5.0.12"
   }
 }