diff --git a/tsconfig.json b/tsconfig.json
index c0829c2..0e8a67f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,7 @@
 {
   "extends": "@sindresorhus/tsconfig",
+  "exclude": ["src/**/*.test.ts"],
   "compilerOptions": {
-    "outDir": "./lib",
+    "outDir": "./lib"
   }
-}
\ No newline at end of file
+}