diff --git a/config.py b/config.py
index d50d5495..053eb0d7 100644
--- a/config.py
+++ b/config.py
@@ -33,7 +33,7 @@ appcmdname = 'EDMC'
 # <https://semver.org/#semantic-versioning-specification-semver>
 # Major.Minor.Patch(-prerelease)(+buildmetadata)
 # NB: Do *not* import this, use the functions appversion() and appversion_nobuild()
-_static_appversion = '5.2.1'
+_static_appversion = '5.3.0-beta0'
 _cached_version: Optional[semantic_version.Version] = None
 copyright = '© 2015-2019 Jonathan Harris, 2020-2021 EDCD'