diff --git a/statmechcrack/__init__.py b/statmechcrack/__init__.py
index 900d30b..923946e 100644
--- a/statmechcrack/__init__.py
+++ b/statmechcrack/__init__.py
@@ -9,4 +9,4 @@
 from .monte_carlo import CrackMonteCarlo
 
 
-__version__ = "0.3.0"
+__version__ = "0.2.1"