diff --git a/Dockerfile b/Dockerfile
index dbc277a..40dcd69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster
+FROM debian:buster@sha256:58ce6f1271ae1c8a2006ff7d3e54e9874d839f573d8009c20154ad0f2fb0a225
 LABEL maintainer="Julien Cabillot <dockerimages@cabillot.eu>"
 
 RUN groupadd -r -g 666 sabnzbd && \