diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04fc639..44dbc8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,10 @@
 
 ## Unreleased
 
+- Adapt test cases to pytest-asyncio 1.0 compatibility https://github.com/python-backoff/backoff/pull/1
 - Use `inspect.iscoroutinefunction` instead of `asyncio.iscoroutinefunction` to avoid Python 3.14 deprecation warning https://github.com/python-backoff/backoff/pull/3
 - Use uv for dependencies and packaging https://github.com/python-backoff/backoff/pull/7
+- Include tests in source distribution https://github.com/python-backoff/backoff/pull/13
 
 ## [v2.2.1] - 2022-10-05
 
diff --git a/pyproject.toml b/pyproject.toml
index 6cd0979..3035455 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ typing = [
 ]
 
 [tool.hatch.build.targets.sdist]
-include = ["backoff"]
+include = ["backoff", "tests"]
 
 [tool.hatch.build.targets.wheel]
 include = ["backoff"]