diff --git a/setup.py b/setup.py
index c9984a8902..7911c0a2b6 100644
--- a/setup.py
+++ b/setup.py
@@ -115,7 +115,6 @@ def has_ext_modules(self):
         "Intended Audience :: Science/Research",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",