diff --git a/pyproject.toml b/pyproject.toml
index a69813e..77bf1e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: Implementation :: CPython",
+    "Typing :: Typed",
 ]
 dynamic = ["version", "dependencies"]