diff --git a/tsconfig.json b/tsconfig.json
index 0f2192a..dfd4d15 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,12 +1,20 @@
 {
   "compilerOptions": {
-    "target": "es2017",
+    "target": "ES2020",
     "module": "commonjs",
     "rootDir": "./src",
     "outDir": "./build",
     "esModuleInterop": true,
     "strict": false,
     "experimentalDecorators": true,
-    "emitDecoratorMetadata": true
-  }
+    "emitDecoratorMetadata": true,
+    "sourceMap": false
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "**/*.spec.ts"
+  ]
 }
\ No newline at end of file