diff --git a/setup.cfg b/setup.cfg
index 8f935fd..e6c68ca 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,6 +27,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: Software Development :: Quality Assurance