diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5695076..24e8b81 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,7 +12,7 @@ Jinja2>=2.10.1
 MarkupSafe==1.0
 parse==1.8.2
 parse-type==0.4.2
-Pygments==2.2.0
+Pygments==2.15.0
 pytz==2017.3
 requests>=2.21.0
 selenium==3.9.0