diff --git a/moto/__init__.py b/moto/__init__.py
index 8d75f69a7644..62d7441fee69 100644
--- a/moto/__init__.py
+++ b/moto/__init__.py
@@ -1,4 +1,4 @@
 from moto.core.decorator import mock_aws as mock_aws
 
 __title__ = "moto"
-__version__ = "5.0.21.dev"
+__version__ = "5.0.21"
diff --git a/setup.cfg b/setup.cfg
index 93f64f237ec6..b35e8203a203 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = moto
-version = 5.0.21.dev
+version = 5.0.21
 long_description = file:README.md
 long_description_content_type = text/markdown
 author = Steve Pulec