diff --git a/setup.py b/setup.py
index 1a7624c..f2f6507 100644
--- a/setup.py
+++ b/setup.py
@@ -85,6 +85,7 @@ def _write_version_file():
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Scientific/Engineering :: Atmospheric Science",
     ],
 )