diff --git a/doc/requirements.txt b/doc/requirements.txt
index ff1f116c4..4014971f5 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -9,7 +9,7 @@ imagesize==1.2.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
 packaging==20.9
-Pygments==2.8.0
+Pygments==2.15.0
 pyparsing==2.4.7
 pytz==2021.1
 recommonmark==0.7.1