diff --git a/Dockerfile b/Dockerfile
index fc2f34e..7fe97e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM squidfunk/mkdocs-material:9.5.8@sha256:6a72238e24c73e4cebb1ceddf8603778d25739ffbf480a314628a3d81aee2214
+FROM squidfunk/mkdocs-material:9.5.8
 
 # Beispiel; https://squidfunk.github.io/mkdocs-material/getting-started/
 # hadolint ignore=DL3013