diff --git a/setup.py b/setup.py
index 985db15b..dfbe2d4a 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name='freedata-server',
-    version='0.15.4',
+    version='0.15.4a1',
     packages=find_packages(where='.'),
     package_dir={'': '.'},
     install_requires=required,