diff --git a/requirements-dev.txt b/requirements-dev.txt
index bdd3746..ff91f5b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@
 
 # Docs
 mkdocs==1.1.2
-mkdocs-material==6.1.2
+mkdocs-material==9.0.4
 pymdown-extensions==8.0.1
 
 # Packaging