diff --git a/pyproject.toml b/pyproject.toml
index d2f23b648c..326a880cfc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,6 +70,7 @@ include = [
     "/httpx",
     "/CHANGELOG.md",
     "/README.md",
+    "/tests",
 ]
 
 [tool.hatch.metadata.hooks.fancy-pypi-readme]