diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8b507d..e494ba1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 ## Changelog
 
+### Release 0.4.0
+
+#### Feature
+- support for uptime kuma 1.18.1 / 1.18.2
+
+#### Bugfix
+- update event list data after changes
+
+#### Test
+- ignore ResourceWarning
+- add script to run tests for all supported uptime kuma versions
+
 ### Release 0.3.0
 
 #### Feature
diff --git a/README.md b/README.md
index 2604fb0..00999b7 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This package was developed to configure Uptime Kuma with Ansible. The Ansible co
 
 Python version 3.6+ is required.
 
-Supported Uptime Kuma versions: 1.18, 1.17
+Supported Uptime Kuma versions: 1.17.0 - 1.18.2
 
 Installation
 ---
diff --git a/uptime_kuma_api/__version__.py b/uptime_kuma_api/__version__.py
index bba1770..c22a48e 100644
--- a/uptime_kuma_api/__version__.py
+++ b/uptime_kuma_api/__version__.py
@@ -1,5 +1,5 @@
 __title__ = "uptime_kuma_api"
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 __author__ = "Lucas Held"
 __license__ = "MIT"
 __copyright__ = "Copyright 2022 Lucas Held"