diff --git a/setup.py b/setup.py
index 3e5171f93..d1c15734e 100644
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,8 @@ setup(
         "Programming Language :: Python",
         "Programming Language :: Python :: 2",
         "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Security",