diff --git a/eslint.config.mjs b/eslint.config.mjs
index 32465cc..caebf6e 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -17,8 +17,7 @@ export default tseslint.config(
         ...globals.node,
         ...globals.jest,
       },
-      ecmaVersion: 5,
-      sourceType: 'module',
+      sourceType: 'commonjs',
       parserOptions: {
         projectService: true,
         tsconfigRootDir: import.meta.dirname,