diff --git a/CHANGES.rst b/CHANGES.rst
index f4955d1..d2878e7 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,7 +2,7 @@
  CHANGES
 =========
 
-5.1.0 (unreleased)
+5.1.0 (2022-02-11)
 ==================
 
 - Drop support for Python 3.4.
diff --git a/setup.py b/setup.py
index 3ff78ea..e2ceb80 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ def read(*rnames):
 ]
 
 setup(name='zope.generations',
-      version='5.1.0.dev0',
+      version='5.1.0',
       author='Zope Corporation and Contributors',
       author_email='zope-dev@zope.org',
       description='Zope application schema generations',