diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index cdf222d..d669a18 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -8,7 +8,7 @@ MarkupSafe==0.23
 mock==2.0.0
 packaging==16.8
 pbr==1.10.0
-Pygments==2.7.4
+Pygments==2.15.0
 pyparsing==2.1.10
 pytz==2016.10
 requests==2.31.0