diff --git a/demo/vue/app/frontend/package-lock.json b/demo/vue/app/frontend/package-lock.json
index 53c4b7f5..d1250d6b 100644
--- a/demo/vue/app/frontend/package-lock.json
+++ b/demo/vue/app/frontend/package-lock.json
@@ -33,7 +33,7 @@
         "eslint-plugin-vue": "^9.30.0",
         "eslint-plugin-vuetify": "^1.1.0",
         "lodash": "^4.17.21",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "sass": "^1.80.6",
         "sass-loader": "^14.2.1",
         "vue-cli-plugin-vuetify": "^2.5.8",
@@ -13965,9 +13965,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
-      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
diff --git a/demo/vue/app/frontend/package.json b/demo/vue/app/frontend/package.json
index e9e95971..01d70911 100644
--- a/demo/vue/app/frontend/package.json
+++ b/demo/vue/app/frontend/package.json
@@ -41,7 +41,7 @@
     "eslint-plugin-vue": "^9.30.0",
     "eslint-plugin-vuetify": "^1.1.0",
     "lodash": "^4.17.21",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "sass": "^1.80.6",
     "sass-loader": "^14.2.1",
     "vue-cli-plugin-vuetify": "^2.5.8",