diff --git a/docker/sql/Dockerfile b/docker/sql/Dockerfile
index 4246d126a..cf59297ce 100644
--- a/docker/sql/Dockerfile
+++ b/docker/sql/Dockerfile
@@ -6,7 +6,7 @@
 
 # Ubuntu 20.04 LTS ("Focal Fossa")
 # MS SQL Sever does not yet support later versions
-FROM ubuntu:focal@sha256:874aca52f79ae5f8258faff03e10ce99ae836f6e7d2df6ecd3da5c1cad3a912b
+FROM ubuntu:focal@sha256:0b897358ff6624825fb50d20ffb605ab0eaea77ced0adb8c6a4b756513dec6fc
 
 # Install SQL Server 2019 and after its prerequisites
 RUN export DEBIAN_FRONTEND=noninteractive && \