diff --git a/setup.py b/setup.py
index 4382a7c..a5220c7 100644
--- a/setup.py
+++ b/setup.py
@@ -26,6 +26,7 @@ setup(name='ptulsconv',
           "Programming Language :: Python :: 3.7",
           "Programming Language :: Python :: 3.8",
           "Programming Language :: Python :: 3.9",
+          "Programming Language :: Python :: 3.10",
           "Development Status :: 4 - Beta",
           "Topic :: Text Processing :: Filters"],
       packages=['ptulsconv'],