diff --git a/pyproject.toml b/pyproject.toml
index d2e69a3..fb83c3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Typing :: Typed",
 ]
 
 [project.urls]