diff --git a/allianceauth/__init__.py b/allianceauth/__init__.py
index 9cdf543a..17b15dc9 100644
--- a/allianceauth/__init__.py
+++ b/allianceauth/__init__.py
@@ -5,7 +5,7 @@ manage online service access.
 # This will make sure the app is always imported when
 # Django starts so that shared_task will use this app.
 
-__version__ = '4.0.0a3'
+__version__ = '4.0.0a4'
 __title__ = 'Alliance Auth'
 __url__ = 'https://gitlab.com/allianceauth/allianceauth'
 NAME = f'{__title__} v{__version__}'
diff --git a/docker/.env.example b/docker/.env.example
index de3d237c..3b9447a7 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -1,7 +1,7 @@
 PROTOCOL=https://
 AUTH_SUBDOMAIN=%AUTH_SUBDOMAIN%
 DOMAIN=%DOMAIN%
-AA_DOCKER_TAG=registry.gitlab.com/allianceauth/allianceauth/auth:v4.0.0a3
+AA_DOCKER_TAG=registry.gitlab.com/allianceauth/allianceauth/auth:v4.0.0a4
 
 # Nginx Proxy Manager
 PROXY_HTTP_PORT=80
diff --git a/docker/Dockerfile b/docker/Dockerfile
index db2a0e80..2491c758 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,5 @@
 FROM python:3.11-slim
-ARG AUTH_VERSION=v4.0.0a3
+ARG AUTH_VERSION=v4.0.0a4
 ARG AUTH_PACKAGE=allianceauth==${AUTH_VERSION}
 ENV AUTH_USER=allianceauth
 ENV AUTH_GROUP=allianceauth