diff --git a/package.json b/package.json
index 9130eb9..2b38f8e 100644
--- a/package.json
+++ b/package.json
@@ -36,8 +36,8 @@
     "test": "node --test test.mjs && node --test test-cjs.cjs",
     "prepublishOnly": "tsup",
     "lint": "eslint .",
-    "format": "prettier --write .",
-    "format:check": "prettier --check .",
+    "format": "prettier --write src/",
+    "format:check": "prettier --check src/",
     "coverage": "c8 --reporter=lcov --reporter=text node --test",
     "docs": "typedoc"
   },