diff --git a/package.json b/package.json
index d6c2d39..f5c0906 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "lint": "oxlint .",
     "lint:fix": "oxlint --fix .",
     "prepublishOnly": "pnpm build",
-    "test": "node --test"
+    "test": "tsc -p tsconfig.test.json && node --test"
   },
   "dependencies": {
     "yaml": "^2.8.2"
diff --git a/tsconfig.test.json b/tsconfig.test.json
new file mode 100644
index 0000000..bce6a5a
--- /dev/null
+++ b/tsconfig.test.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "rootDir": ".",
+    "declaration": false,
+    "noEmit": true
+  },
+  "include": ["src/**/*.ts", "test/**/*.ts"]
+}