diff --git a/package.json b/package.json
index eaa7470..4c824b8 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "devDependencies": {
     "@types/node": "24.12.4",
     "@typescript/native-preview": "7.0.0-dev.20260527.2",
-    "vitest": "^4.0.0"
+    "vitest": "4.1.7"
   },
   "packageManager": "pnpm@11.5.0"
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8d911cc..3881b35 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -15,7 +15,7 @@ importers:
         specifier: 7.0.0-dev.20260527.2
         version: 7.0.0-dev.20260527.2
       vitest:
-        specifier: ^4.0.0
+        specifier: 4.1.7
         version: 4.1.7(@types/node@24.12.4)(vite@7.3.3(@types/node@24.12.4))
 
 packages: