diff --git a/Dockerfile b/Dockerfile
index 255d902..df3c862 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM squidfunk/mkdocs-material:9.1.8
+FROM squidfunk/mkdocs-material:9.1.9
 
 EXPOSE 8000