diff --git a/setup.py b/setup.py
index 2bbf602..d856efb 100644
--- a/setup.py
+++ b/setup.py
@@ -80,8 +80,7 @@ def run_tests(self):
         "License :: OSI Approved :: MIT License",
         # Specify the Python versions you support here. In particular, ensure
         # that you indicate whether you support Python 2, Python 3 or both.
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.9",
         "Topic :: Scientific/Engineering :: Information Analysis",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Topic :: Utilities",