diff --git a/setup.py b/setup.py
index e71e676..444b488 100644
--- a/setup.py
+++ b/setup.py
@@ -290,6 +290,7 @@
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.3",
         "Programming Language :: Python :: 3.4",
+        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Security :: Cryptography",