diff --git a/requirements_dev.txt b/requirements_dev.txt
index c195455..c36da0a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 pip==9.0.3
 bumpversion==0.5.3
-wheel==0.31.0
+wheel==0.33.6
 tox==2.9.1
 flake8==3.5.0
 Sphinx==1.7.2