diff --git a/src/openeo_aggregator/about.py b/src/openeo_aggregator/about.py
index febd27f..8c7d26a 100644
--- a/src/openeo_aggregator/about.py
+++ b/src/openeo_aggregator/about.py
@@ -2,7 +2,7 @@
 import sys
 from typing import Optional
 
-__version__ = "0.39.0a1"
+__version__ = "0.39.1a1"
 
 
 def log_version_info(logger: Optional[logging.Logger] = None):