diff --git a/package.json b/package.json
index 95d3d1f..e5d5ea8 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "test": "./node_modules/.bin/jest",
     "test-silent": "./node_modules/.bin/jest --silent",
-    "test-watch": "nodemon --watch vertex_lib.test.ts --watch vertex_lib.ts -x 'npm run test-silent'",
+    "test-watch": "nodemon --watch src --ext 'ts,json' -x 'npm run test-silent'",
     "prepare": "husky && husky install",
     "lint": "eslint . --fix --max-warnings=0",
     "format": "prettier . --write"