diff --git a/connpy/_version.py b/connpy/_version.py
index 2879e2e..54a47b1 100644
--- a/connpy/_version.py
+++ b/connpy/_version.py
@@ -1,2 +1,2 @@
-__version__ = "4.0.0b2"
+__version__ = "4.0.0b3"