diff --git a/requirements.txt b/requirements.txt
index edd0375..484185a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 Babel==2.9.1
 Jinja2==2.11.3
 MarkupSafe==0.23
-Pygments==2.7.4
+Pygments==2.15.0
 Sphinx==4.0.2
 alabaster==0.7.9
 argparse==1.2.1