diff --git a/main.py b/main.py
index 790472a..fd705f1 100644
--- a/main.py
+++ b/main.py
@@ -114,7 +114,7 @@ async def health_check():
         "data": {
             "service": "upload_automation",
             "status_code": 200,
-            "timestamp": datetime.now(datetime.timezone.utc).isoformat() + "Z",
+            "timestamp": datetime.utcnow().isoformat() + "Z",
         },
         "meta": {
             "version": apiVersion,