diff --git a/imglyb_config.py b/imglyb_config.py
index da6e33c..10164ba 100644
--- a/imglyb_config.py
+++ b/imglyb_config.py
@@ -3,9 +3,9 @@
 __all__ = ('set_imglib2_imglyb_version', 'get_imglib2_imglyb_version')
 
 __major__   = 0
-__minor__   = 3
-__patch__   = 6
-__tag__     = 'dev0'
+__minor__   = 4
+__patch__   = 0
+__tag__     = ''
 __version__ = f'{__major__}.{__minor__}.{__patch__}.{__tag__}'.strip('.')
 
 class _Version(object):