diff --git a/Dockerfile b/Dockerfile
index e57c142d0..9ba2843ab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal as base
+FROM ubuntu:noble as base
 
 # System requirements
 # - git; Used to pull in particular requirements from github rather than pypi,
diff --git a/Dockerfile-testing b/Dockerfile-testing
index 92eac565a..c151870bf 100644
--- a/Dockerfile-testing
+++ b/Dockerfile-testing
@@ -2,7 +2,7 @@
 # this will run similar to CI in that it is a base Ubuntu image with minimal packages
 # installed on top.
 
-FROM ubuntu:20.04
+FROM ubuntu:24.04
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && \
     apt-get install --no-install-recommends -y \