diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0945b4bd..41e4fb16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [3.1.0] - 2023-05-01
 
 ### Changed
 
diff --git a/setup.cfg b/setup.cfg
index 818b90e8..80b2528c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = libzim
-version = 3.0.1.dev0
+version = 3.1.0
 url = https://github.com/openzim/python-libzim
 project_urls =
   Donate = https://www.kiwix.org/en/support-us/