diff --git a/Bithumb_minute.py b/Bithumb_minute.py
index 14134e6..a0f7edb 100644
--- a/Bithumb_minute.py
+++ b/Bithumb_minute.py
@@ -748,7 +748,7 @@ if __name__ == "__main__":
         while True:
             for ticker in tickers:
                 bithumb.buyRealTime(ticker, isRealTime)
-            time.sleep(60)
+            time.sleep(180)
     else:
         for ticker in tickers:
             bithumb.buyRealTime(ticker, isRealTime)