diff --git a/package.json b/package.json
index c67448d..1a5eea6 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   "license": "MIT",
   "dependencies": {
     "cross-spawn": "^7.0.3",
-    "which": "^3.0.0"
+    "which": "^4.0.0"
   },
   "devDependencies": {
     "pre-commit": "git+https://git@github.com/fastify/pre-commit.git",