diff --git a/irrd/__init__.py b/irrd/__init__.py
index cad8c65ba..4ec2aa742 100644
--- a/irrd/__init__.py
+++ b/irrd/__init__.py
@@ -1,2 +1,2 @@
-__version__ = '4.3-dev'
+__version__ = '4.3.0b1'
 ENV_MAIN_PROCESS_PID = 'IRRD_MAIN_PROCESS_PID'