diff --git a/CHANGES.txt b/CHANGES.txt
index 04e5f9d..58dff86 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,8 +1,8 @@
 Changes
 =======
 
-5.0.2 (unreleased)
-------------------
+5.1 (2023-10-04)
+----------------
 
 - The Unicode data doesn't change tz names when IANA does, so what is current
   in IANA is treated as an alias in Unicode data. This version handles that.
diff --git a/setup.cfg b/setup.cfg
index 07a526c..188e5b0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,7 +2,7 @@
 name = tzlocal
 description = tzinfo object for the local timezone
 long_description = file: README.rst, CHANGES.txt
-version = 5.0.2.dev0
+version = 5.1
 author = Lennart Regebro
 author_email = regebro@gmail.com
 project_urls =