diff --git a/setup.cfg b/setup.cfg
index 6378cc4ecef412..4d4429b2a51504 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = sentry
-version = 25.11.1
+version = 25.12.0.dev0
 description = A realtime logging and aggregation server.
 long_description = file: README.md
 long_description_content_type = text/markdown