diff --git a/tibanna/_version.py b/tibanna/_version.py
index f9db419e..59c74862 100755
--- a/tibanna/_version.py
+++ b/tibanna/_version.py
@@ -1,4 +1,4 @@
 """Version information."""
 
 # The following line *must* be the last in the module, exactly as formatted:
-__version__ = "1.2.0"
+__version__ = "1.2.0b"