Merge "Remove six"
diff --git a/setup.cfg b/setup.cfg
index 85c66cf..97da488 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,6 +16,7 @@
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
 
 [files]
 packages =