diff --git a/doc/requirements.txt b/doc/requirements.txt
index c38d70f6a..38f3e3dfd 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,3 +1,3 @@
-mkdocs==1.4.3
+mkdocs==1.5.1
 python-markdown-math
 mkdocs-material