diff --git a/requirements.txt b/requirements.txt
index a0df5e3..d7fb6ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-mkdocs==1.4.3
+mkdocs==1.5.1
 mkdocs-git-revision-date-localized-plugin==1.2.0
-mkdocs-material==9.1.17
-mkdocs-redirects==1.2.0
+mkdocs-material==9.1.21
+mkdocs-redirects==1.2.1
 markdown-include==0.8.1