diff --git a/pyproject.toml b/pyproject.toml
index 379bb23..4cdd6a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ classifiers = [
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
     "Intended Audience :: Developers",
     "Typing :: Typed",
     "License :: OSI Approved :: MIT License"