diff --git a/setup.py b/setup.py
index 7c2adf1..368d38e 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,8 @@ setup(name='wavinfo',
           'Topic :: Multimedia :: Sound/Audio',
           "Programming Language :: Python :: 3.8",
           "Programming Language :: Python :: 3.9",
-          "Programming Language :: Python :: 3.10"],
+          "Programming Language :: Python :: 3.10",
+          "Programming Language :: Python :: 3.11"],
       keywords='waveform metadata audio ebu smpte avi library film tv editing editorial',
       install_requires=['lxml'],
       entry_points={