diff --git a/pyproject.toml b/pyproject.toml
index d65ae2e..2d037ba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ classifiers = [
     "Topic :: Software Development",
     "Topic :: Software Development :: Libraries",
     "Topic :: System :: Networking",
+    "Typing :: Typed",
 ]
 
 [tool.poetry.dependencies]