diff --git a/packages/openapi-generator/src/cli.ts b/packages/openapi-generator/src/cli.ts
index cb05259b..69081f0b 100644
--- a/packages/openapi-generator/src/cli.ts
+++ b/packages/openapi-generator/src/cli.ts
@@ -75,7 +75,7 @@ const app = command({
         (api) => api,
       ),
     );
-    const formattedApi = JSON.stringify(api, null, 2);
+    const formattedApi = JSON.stringify(api, null, 2) + '\n';
     await writeFile(output, formattedApi);
   },
 });