diff --git a/scheduler.py b/scheduler.py
index 116b7f7..0346400 100644
--- a/scheduler.py
+++ b/scheduler.py
@@ -409,7 +409,7 @@ if __name__ == '__main__':
     sys.stdout.flush()
     
     # heartbeat
-    schedule.every(1).minutes.do(heartbeat)
+    schedule.every(15).minutes.do(heartbeat)
 
     while running:
         try: