diff --git a/setup.py b/setup.py
index b8428a3..eeff9db 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
 
 
 CLASSIFIERS = [
-    'Development Status :: 3 - Alpha',
+    'Development Status :: 4 - Beta',
     'Environment :: Console',
     'Intended Audience :: Developers',
     'Intended Audience :: Education',
@@ -40,9 +40,11 @@
     'License :: OSI Approved :: MIT License',
     'Operating System :: OS Independent',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
 ]
 
 DESCRIPTION = ('The Muddler derived-file sharing utility.')