diff --git a/setup.py b/setup.py
index 4a3505e..aed91dd 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,6 @@ def load_about():
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",