diff --git a/package.json b/package.json
index 57fe2d2..c0dd6e9 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "eslint": "^9.17.0",
     "globals": "^15.14.0",
     "husky": "^9.1.7",
-    "prettier": "^3.4.2"
+    "prettier": "^3.4.2",
+    "vitest": "^2.1.8"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d86c669..d50c199 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -23,6 +23,9 @@ importers:
       prettier:
         specifier: ^3.4.2
         version: 3.4.2
+      vitest:
+        specifier: ^2.1.8
+        version: 2.1.8(@types/node@22.10.1)(@vitest/ui@2.1.8)(terser@5.37.0)
 
   packages/cli:
     dependencies: