diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index 08f4d522b8..e1fec81b62 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -4,7 +4,7 @@ sphinx_design==0.5.0
 sphinx-rtd-theme==1.2.2
 python-levenshtein==0.21.1
 docutils==0.18.1
-pygments==2.15.1
+pygments==2.16.1
 urllib3==2.0.4
 pytest==7.4.0
 isort==5.12.0