diff --git a/protovalidate/py.typed b/protovalidate/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/pyproject.toml b/pyproject.toml
index fecd8c4b..ac8554a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ classifiers = [
   "Programming Language :: Python :: 3.13",
   "License :: OSI Approved :: Apache Software License",
   "Operating System :: OS Independent",
+  "Typing :: Typed",
 ]
 dynamic = ["version"]
 dependencies = ["protobuf", "cel-python"]