diff --git a/tsconfig.json b/tsconfig.json
index 374e8bd..72d26d2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,5 +13,5 @@
     "emitDecoratorMetadata": true,
     "lib": ["es2018", "dom"]
   },
-  "include": ["**/*.ts"]
+  "include": ["declarations/**/*.ts", "src/**/*.ts", "tests/**/*.ts"]
 }