diff --git a/prereqs/pips/app_requirements.txt b/prereqs/pips/app_requirements.txt
index 93c7ade49f..c39293834a 100644
--- a/prereqs/pips/app_requirements.txt
+++ b/prereqs/pips/app_requirements.txt
@@ -72,7 +72,7 @@ wheel-filename==1.4.2
 blockdiag==3.0.0
 docutils==0.21.2
 Jinja2==3.1.6
-Pygments==2.18.0
+Pygments==2.19.1
 Sphinx==8.2.3
 sphinxcontrib-blockdiag==3.0.0
 sphinx_autodoc_typehints==3.1.0