diff --git a/Dockerfile b/Dockerfile
index 7fe97e3..791457b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM squidfunk/mkdocs-material:9.5.8
+FROM squidfunk/mkdocs-material:9.5.9
 
 # Beispiel; https://squidfunk.github.io/mkdocs-material/getting-started/
 # hadolint ignore=DL3013