diff --git a/plugins/ui/setup.cfg b/plugins/ui/setup.cfg
index 05cccae47..dfc3e7e5d 100644
--- a/plugins/ui/setup.cfg
+++ b/plugins/ui/setup.cfg
@@ -3,7 +3,7 @@ name = deephaven-plugin-ui
 description = deephaven.ui plugin
 long_description = file: README.md
 long_description_content_type = text/markdown
-version = 1.0.0
+version = 1.0.0.dev0
 url = https://github.com/deephaven/deephaven-plugins
 project_urls =
     Source Code = https://github.com/deephaven/deephaven-plugins