diff --git a/tsconfig.commonjs.json b/tsconfig.commonjs.json
index 2f329a9..b907706 100644
--- a/tsconfig.commonjs.json
+++ b/tsconfig.commonjs.json
@@ -1,27 +1,7 @@
 {
+  "extends": "./tsconfig.json",
   "compilerOptions": {
-    "target": "es5",
     "module": "commonjs",
-    "moduleResolution": "node",
-    "lib": [
-      "esnext",
-      "dom"
-    ],
-    "importHelpers": true,
-    "alwaysStrict": true,
-    "experimentalDecorators": true,
-    "noImplicitReturns": true,
-    "noImplicitThis": true,
-    "strictBindCallApply": true,
-    "strictFunctionTypes": true,
-    "strictNullChecks": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "noImplicitAny": true,
-    "skipLibCheck": true,
-    "resolveJsonModule": true,
-    "allowSyntheticDefaultImports": true,
-    "declaration": true,
     "outDir": "dist/cjs/",
   },
   "exclude": [