diff --git a/requirements/dev.txt b/requirements/dev.txt
index 58ead0d..188112b 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,7 +2,7 @@ wheel
 watchdog
 tox==2.7.0
 flake8==3.3.0
-twine==1.8.1
+twine==1.9.1
 Sphinx==1.5.5
 check-manifest==0.35
 #gitchangelog