diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4f05ad..ba4c897 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,13 @@
 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] 
+## [Unreleased]
+
+## [1.1.0] - 2025-7-1
+
+### Fixed
+
+- Wrong computation of sensor variant in method get_sensor_variant
 
 ## [1.0.0] - 2025-1-30
 
diff --git a/sensirion_i2c_scd4x/version.py b/sensirion_i2c_scd4x/version.py
index e5ed854..1454bfc 100644
--- a/sensirion_i2c_scd4x/version.py
+++ b/sensirion_i2c_scd4x/version.py
@@ -2,4 +2,4 @@
 # -*- coding: utf-8 -*-
 from __future__ import absolute_import, division, print_function
 
-version = "1.0.0"
+version = "1.1.0"