diff --git a/doc/requirements.txt b/doc/requirements.txt
index 0c9c95a..a3ec071 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -22,4 +22,4 @@ sphinx-autobuild==0.5.2
 sphinx-rtd-theme==0.1.9
 tornado==4.3
 watchdog==0.8.3
-wheel==0.26.0
+wheel==0.38.1