fix pep8
diff --git a/setup.cfg b/setup.cfg
index 5466daa..53df199 100755
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,8 @@
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: Implementation :: CPython
 
@@ -35,4 +37,4 @@
 wsgi_scripts =
     staffeln-api-wsgi = staffeln.api:app
 staffeln.database.migration_backend =
-    sqlalchemy = staffeln.db.sqlalchemy.migration
\ No newline at end of file
+    sqlalchemy = staffeln.db.sqlalchemy.migration