diff --git a/setup.cfg b/setup.cfg
index 85391e77..9f57aa49 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,7 @@ classifiers =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Topic :: Scientific/Engineering
 project_urls =
     Changelog = https://sid-dev.readthedocs.io/en/latest/changes.html