diff --git a/build/images/ml/Dockerfile.cpu b/build/images/ml/Dockerfile.cpu
index a08d070..84f0f05 100644
--- a/build/images/ml/Dockerfile.cpu
+++ b/build/images/ml/Dockerfile.cpu
@@ -5,7 +5,7 @@
 # Build context: build/images, so session-base/entrypoint.sh can be shared.
 FROM codercom/code-server:4.135.0 AS cs
 
-FROM ubuntu:24.04
+FROM ubuntu:25.10
 ARG TTYD_VERSION=1.7.7
 
 # Copy in code-server, which bundles its own Node.
diff --git a/build/images/ml/Dockerfile.cpu22 b/build/images/ml/Dockerfile.cpu22
index 268accd..ff20721 100644
--- a/build/images/ml/Dockerfile.cpu22
+++ b/build/images/ml/Dockerfile.cpu22
@@ -11,7 +11,7 @@
 # Build context: build/images, so session-base/entrypoint.sh can be shared.
 FROM codercom/code-server:4.135.0 AS cs
 
-FROM ubuntu:22.04
+FROM ubuntu:25.10
 ARG TTYD_VERSION=1.7.7
 
 # Copy in code-server, which bundles its own Node.