diff --git a/requirements.txt b/requirements.txt
index 8c150d7..7b00974 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 python-telegram-bot==20.7
 APScheduler==3.10.4
 SQLAlchemy==2.0.23
-chinese-calendar==1.9.0
+chinese-calendar
 python-dotenv==1.0.0
 pytz==2023.3