diff --git a/requirements/doc.txt b/requirements/doc.txt
index 0fef2d8..eba0027 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -1,3 +1,3 @@
-mkdocs==1.1.2
+mkdocs==1.3.1
 mkdocs-material==5.3.0
 Pygments==2.6.1