diff --git a/changes/3509.misc.rst b/changes/3509.misc.rst
new file mode 100644
index 0000000000..c5ccc1439e
--- /dev/null
+++ b/changes/3509.misc.rst
@@ -0,0 +1 @@
+Add a missing __init__.py to travertino.properties.
diff --git a/travertino/src/travertino/properties/__init__.py b/travertino/src/travertino/properties/__init__.py
new file mode 100644
index 0000000000..e69de29bb2