diff --git a/chinese_calendar/__init__.py b/chinese_calendar/__init__.py
index 08429e4..b1dabbc 100644
--- a/chinese_calendar/__init__.py
+++ b/chinese_calendar/__init__.py
@@ -13,7 +13,7 @@
     is_workday,
 )
 
-__version__ = "1.5.0"
+__version__ = "1.5.1"
 __all__ = [
     "Holiday",
     "holidays",
diff --git a/setup.cfg b/setup.cfg
index bcb7631..4e33c00 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.5.0
+current_version = 1.5.1
 commit = True
 files = chinese_calendar/__init__.py
 tag = True