diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1460f53..7564faf 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -8,7 +8,7 @@ MarkupSafe==1.1.1
 mkdocs==1.0.4
 mkdocs-material==4.4.0
 mkdocs-minify-plugin==0.2.1
-Pygments==2.4.2
+Pygments==2.7.4
 pymdown-extensions==6.0
 PyYAML==5.1.2
 six==1.12.0