diff --git a/docs/website/requirements.txt b/docs/website/requirements.txt
index 8ff20d5d5..87f55e425 100644
--- a/docs/website/requirements.txt
+++ b/docs/website/requirements.txt
@@ -8,7 +8,7 @@ idna==2.6
 imagesize==0.7.1
 Jinja2==2.10
 MarkupSafe==1.0
-Pygments==2.2.0
+Pygments==2.7.4
 pytz==2017.3
 recommonmark==0.4.0
 requests==2.18.4