diff --git a/src/chronos/__about__.py b/src/chronos/__about__.py
index 8c0d5d5..5604250 100644
--- a/src/chronos/__about__.py
+++ b/src/chronos/__about__.py
@@ -1 +1 @@
-__version__ = "2.0.0"
+__version__ = "2.1.0rc1"