diff --git a/setup.py b/setup.py
index 52bedbab..0fdbd03c 100644
--- a/setup.py
+++ b/setup.py
@@ -87,7 +87,6 @@ setup(
         "Framework :: AsyncIO",
         "Framework :: Trio",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",