diff --git a/package.json b/package.json
index 889b28a..0502dca 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "license": "MIT",
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
-    "format": "prettier --write \"src/**/*.ts\"",
+    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start": "ts-node -r tsconfig-paths/register src/main.ts",
     "start:dev": "nodemon",
     "start:debug": "nodemon --config nodemon-debug.json",