diff --git a/setup.cfg b/setup.cfg
index f66cac3a71279d82f794454453b6c9a38e0f348c..b9c45fb89c4da805a40f9a40e8db457034f34ad0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,6 +26,7 @@ classifier =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     Topic :: Scientific/Engineering :: Bio-Informatics