diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..9af2d99
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## [0.4.0](https://github.com/andrewthetechie/py-healthchecks.io/compare/v0.3.1...v0.4.0) (2023-02-21)
+
+
+### Features
+
+* add python 3.11 support ([#392](https://github.com/andrewthetechie/py-healthchecks.io/issues/392)) ([a752c42](https://github.com/andrewthetechie/py-healthchecks.io/commit/a752c42a28762fed48c3af57c7543b8b3b606702))
diff --git a/pyproject.toml b/pyproject.toml
index 0bd0101..4b6c950 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "healthchecks_io"
-version = "0.0.0"
+version = "0.4.0"
 description = "A python client package for Healthchecks.io API"
 authors = ["Andrew Herrington <andrew.the.techie@gmail.com>"]
 license = "MIT"
diff --git a/src/healthchecks_io/__init__.py b/src/healthchecks_io/__init__.py
index dc97a36..170cf34 100644
--- a/src/healthchecks_io/__init__.py
+++ b/src/healthchecks_io/__init__.py
@@ -1,6 +1,6 @@
 """Py Healthchecks.Io."""
 # set by poetry-dynamic-versioning
-__version__ = "0.0.0"  # noqa: E402
+__version__ = "0.4.0"  # noqa: E402
 
 from .client import AsyncClient  # noqa: F401, E402
 from .client import Client  # noqa: F401, E402