diff --git a/setup.cfg b/setup.cfg
index c52195d..088478d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,7 +15,8 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
 
 [files]
 packages =
diff --git a/tox.ini b/tox.ini
index c1179c8..54905c2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py35,py27,pep8
+envlist = py37,py36,py27,pep8
 
 [testenv]
 usedevelop = True