diff --git a/requirements-dev.txt b/requirements-dev.txt
index caccea04..872588c8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -22,7 +22,7 @@ mkdocs-material==7.3.6
 mkdocs==1.5.3
 packaging==22.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 prompt-toolkit==3.0.39
-pygments==2.9.0
+pygments==2.16.1
 pymdown-extensions==8.2; python_version >= '3.6'
 pyparsing==3.1.1; python_version >= '3.5'
 python-dateutil==2.8.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
diff --git a/requirements.txt b/requirements.txt
index 320e33c9..fe44abf6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ mkdocs-material==8.2.11
 mkdocs==1.5.3
 packaging==23.1; python_version >= '3.7'
 prompt-toolkit==3.0.39
-pygments==2.11.2
+pygments==2.16.1
 pymdown-extensions==9.3; python_version >= '3.7'
 python-dateutil==2.8.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 python-markdown-math==0.8