diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9a21e5..6e237b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## v1.1.5 (2024-03-20)
+
+### Fix
+
+- python 2.7 old class
+- search sdkconfig path
+- improve error message when env var IDF_PATH not set
+
 ## v1.1.4 (2023-12-29)
 
 ### Fix
diff --git a/idf_build_apps/__init__.py b/idf_build_apps/__init__.py
index 3e3ce82..228752e 100644
--- a/idf_build_apps/__init__.py
+++ b/idf_build_apps/__init__.py
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
 
 """
@@ -7,7 +7,7 @@
 
 import logging
 
-__version__ = '1.1.4'
+__version__ = '1.1.5'
 
 LOGGER = logging.getLogger('idf_build_apps')
 
diff --git a/pyproject.toml b/pyproject.toml
index 27fd987..e08b1a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ idf-build-apps = "idf_build_apps:main.main"
 
 [tool.commitizen]
 name = "cz_conventional_commits"
-version = "1.1.4"
+version = "1.1.5"
 tag_format = "v$version"
 version_files = [
     "idf_build_apps/__init__.py",