diff --git a/CHANGES b/CHANGES
index 6fe0d2457af030..11d7e8b2b29372 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,43 @@
+23.5.1
+------
+
+### Issue States and Filters (ongoing)
+
+By: @scttcper (#49578, #49157)
+
+### JS Project Cleanup (ongoing)
+
+By: @scttcper (#49381, #49255, #49210, #49159)
+
+### Various fixes & improvements
+
+- fix(hc): Change integration search endpoint to control silo (#49589) by @RyanSkonnord
+- fix(starfish): Zerofill round up (#49598) by @shruthilayaj
+- feat(starfish): Update endpoint overview to be consistent (#49607) by @shruthilayaj
+- ref(performance): Move metrics histogram outlier filtering (#48731) by @mjq-sentry
+- feat(starfish): Add top endpoints chart to web service view (#49603) by @shruthilayaj
+- feat(starfish): Fix span summary chart styling (#49463) by @0Calories
+- feat(starfish): Updated WSV span group chart (#49499) by @shruthilayaj
+- ref(perf): Mark long-task with sentry-tracing-init (#49481) by @k-fish
+- chore(profiling): Add flags for more profiling features (#49461) by @Zylphrex
+- feat(starfish): Switch top graph to p50 (#49510) by @wmak
+- feat(starfish): adds synchronized axis markers to starfish charts (#49504) by @edwardgou-sentry
+- deps: bump profiling to alpha.6 (#49127) by @JonasBa
+- feat(create-project): Add framework selection modal tests (#49305) by @priscilawebdev
+- chore(discover-transactions-cell-action): Removed go to summary cell … (#49406) by @Abdkhan14
+- Add index on sentry_monitorchecking.date_added to avoid seq scans during cleanup (#49310) by @beezz
+- Add a utility to query the memory usage percentage of a configured redis cluster (#49459) by @Swatinem
+- ref(createProject): convert test from jsx to tsx (#49304) by @priscilawebdev
+- ref(project-creation): Convert overview from class to func (#49303) by @priscilawebdev
+- feat(project-creation): Add framework selection modal (#49300) by @priscilawebdev
+- chore(js): Use FormFieldProps vs FormField['props'] (#49591) by @evanpurkhiser
+- feat(hybrid-cloud): Update api invite helper (#48829) by @dashed
+- chore(js): Convert Form to a FC (#49525) by @evanpurkhiser
+- ref(js): Convert SentryAppExternalIssueForm for a FC (#49581) by @evanpurkhiser
+- feat(issue-states): auto transition new and regressed issues to ongoing (#49522) by @barkbarkimashark
+
+_Plus 306 more_
+
 23.5.0
 ------
 
diff --git a/LICENSE b/LICENSE
index 13ca38c4a05eaf..e66a65a62f60a8 100644
--- a/LICENSE
+++ b/LICENSE
@@ -16,7 +16,7 @@ Additional Use Grant: You may make use of the Licensed Work, provided that you d
                       error-reporting or application monitoring features of the
                       Licensed Work.
 
-Change Date:          2026-05-15
+Change Date:          2026-05-23
 
 Change License:       Apache License, Version 2.0
 
diff --git a/setup.cfg b/setup.cfg
index 3f1fd1c790c606..dae49bf09304cd 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = sentry
-version = 23.6.0.dev0
+version = 23.5.1
 description = A realtime logging and aggregation server.
 long_description = file: README.md
 long_description_content_type = text/markdown