diff --git a/package.json b/package.json
index 2ee452e95befdc..04175a3746ae5b 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "tsx": "^4.19.4",
     "typescript": "~5.8.3",
     "typescript-eslint": "^8.34.0",
-    "vite": "6.3.5",
+    "vite": "6.4.3",
     "vitest": "^3.2.3"
   },
   "simple-git-hooks": {
diff --git a/packages/plugin-legacy/package.json b/packages/plugin-legacy/package.json
index 9a399bb7abe9da..160deab0622b0e 100644
--- a/packages/plugin-legacy/package.json
+++ b/packages/plugin-legacy/package.json
@@ -59,6 +59,6 @@
     "acorn": "^8.15.0",
     "picocolors": "^1.1.1",
     "unbuild": "3.5.0",
-    "vite": "6.3.5"
+    "vite": "6.4.3"
   }
 }
diff --git a/playground/external/package.json b/playground/external/package.json
index 8af7faf0e79828..bc2c2c299813be 100644
--- a/playground/external/package.json
+++ b/playground/external/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "slash3": "npm:slash@^5.1.0",
     "slash5": "npm:slash@^5.1.0",
-    "vite": "6.3.5",
+    "vite": "6.4.3",
     "vue": "^3.5.16",
     "vue34": "npm:vue@~3.5.16"
   }
diff --git a/playground/legacy/package.json b/playground/legacy/package.json
index 621840333ce0c4..3ce7d29fb2cd53 100644
--- a/playground/legacy/package.json
+++ b/playground/legacy/package.json
@@ -15,7 +15,7 @@
     "preview": "vite preview"
   },
   "devDependencies": {
-    "vite": "6.3.5",
+    "vite": "6.4.3",
     "@vitejs/plugin-legacy": "6.1.1",
     "express": "^5.1.0",
     "terser": "^5.42.0"