diff --git a/docker/sql/Dockerfile b/docker/sql/Dockerfile
index 219c878016..f5fe0a2439 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@sha256:0b5642e51a93c43da14d8c0322b43739abaa1ddd8b15f2c811175e42b6340d72
+FROM ubuntu:focal@sha256:ed4a42283d9943135ed87d4ee34e542f7f5ad9ecf2f244870e23122f703f91c2
 
 # Install SQL Server 2019 and after its prerequisites
 RUN export DEBIAN_FRONTEND=noninteractive && \