diff --git a/classifiers.txt b/classifiers.txt
index 39e2610..01fc726 100644
--- a/classifiers.txt
+++ b/classifiers.txt
@@ -6,4 +6,5 @@ Programming Language :: Python
 Programming Language :: Python :: 3
 Programming Language :: Python :: 3.5
 Programming Language :: Python :: 3.6
+Programming Language :: Python :: 3.7
 Programming Language :: Python :: 3 :: Only