diff --git a/doc/manual/requirements.txt b/doc/manual/requirements.txt
index 9bb4c80dc..1523b2ae8 100644
--- a/doc/manual/requirements.txt
+++ b/doc/manual/requirements.txt
@@ -16,7 +16,7 @@ packaging==21.3
 pybtex==0.24.0
 pybtex-docutils==1.0.2
 pydata-sphinx-theme==0.8.1
-Pygments==2.12.0
+Pygments==2.15.0
 pyparsing==3.0.9
 pytz==2022.1
 PyYAML==6.0