diff --git a/docs/requirements.txt b/docs/requirements.txt
index a86e246..65c4a4f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -10,7 +10,7 @@ mkdocs-bootstrap==0.1.1
 mkdocs-bootswatch==0.4.0
 mkdocs-material==1.8.0
 packaging==16.8
-Pygments==2.7.4
+Pygments==2.15.0
 pymdown-extensions==3.5
 pyparsing==2.1.10
 PyYAML==5.4