diff --git a/setup.cfg b/setup.cfg
index 8166f88f59..5613d25998 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,6 +12,8 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Programming Language :: Python :: Implementation :: CPython
     Topic :: Scientific/Engineering
     Topic :: Scientific/Engineering :: Atmospheric Science