diff --git a/Dockerfile b/Dockerfile
index 9fbd7eec5..965a0c1de 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-# Use imutable image tags rather than mutable tags (like ubuntu:20.04)
-FROM ubuntu:focal-20220531
+# Use imutable image tags rather than mutable tags (like ubuntu:22.04)
+FROM ubuntu:jammy-20230308
 # Some tools like yamllint need this
 # Pip needs this as well at the moment to install ansible
 # (and potentially other packages) 
diff --git a/pipeline.Dockerfile b/pipeline.Dockerfile
index 129a19289..f729a5ff1 100644
--- a/pipeline.Dockerfile
+++ b/pipeline.Dockerfile
@@ -1,5 +1,5 @@
-# Use imutable image tags rather than mutable tags (like ubuntu:20.04)
-FROM ubuntu:focal-20220531
+# Use imutable image tags rather than mutable tags (like ubuntu:22.04)
+FROM ubuntu:jammy-20230308
 # Some tools like yamllint need this
 # Pip needs this as well at the moment to install ansible
 # (and potentially other packages)