diff --git a/flask/requirements.txt b/flask/requirements.txt
index 0b564c0..ee8c8b8 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -13,4 +13,4 @@ jinja2==2.11.3; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2
 markupsafe==1.1.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 waitress==2.0.0
 werkzeug==1.0.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
-wheel==0.36.2
+wheel==0.38.1