diff --git a/doc/requirements.txt b/doc/requirements.txt
index 45f0732..2ea3f00 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -2,4 +2,5 @@ mkdocs==1.3.0
 Jinja2>=2.10.2
 MarkupSafe>=2.0
 pymdown-extensions>=9.5
-mkdocs-material=="8.*"
+mkdocs-material>=8.3.4
+mkdocs-material-extensions>=1.0.3