diff --git a/LICENSE b/LICENSE
index 37c1385185..67c62a8f95 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:          2024-05-17
+Change Date:          2024-05-19
 
 Change License:       Apache License, Version 2.0
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index a6ae81a702..7b4adc8a1c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -7,7 +7,7 @@
 copyright = "2021, Sentry Team and Contributors"
 author = "Sentry Team and Contributors"
 
-release = "21.6.0.dev0"
+release = "21.5.1"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.py b/setup.py
index 7abedf37c8..4b17af3624 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import setup, find_packages
 
 
-VERSION = "21.6.0.dev0"
+VERSION = "21.5.1"
 
 
 def get_requirements() -> Sequence[str]: