diff --git a/package.json b/package.json
index 5df405b4..83a3fe19 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
     "gaze": "1.1.0",
     "mkdirp": "0.5.1",
     "ms": "0.7.1",
-    "uid2": "0.0.3"
+    "uid2": "0.0.3",
+    "which": "1.2.10"
   },
   "devDependencies": {
     "electron-packager": "7.1.0",