diff --git a/diskimage_builder/elements/ubuntu-common/environment.d/10-ubuntu-distro-name.bash b/diskimage_builder/elements/ubuntu-common/environment.d/10-ubuntu-distro-name.bash
index 215e831e5..d843fbabe 100644
--- a/diskimage_builder/elements/ubuntu-common/environment.d/10-ubuntu-distro-name.bash
+++ b/diskimage_builder/elements/ubuntu-common/environment.d/10-ubuntu-distro-name.bash
@@ -1,5 +1,5 @@
 export DISTRO_NAME=${DISTRO_NAME:-ubuntu}
-export DIB_RELEASE=${DIB_RELEASE:-focal}
+export DIB_RELEASE=${DIB_RELEASE:-noble}
 export DIB_DEBIAN_COMPONENTS=${DIB_DEBIAN_COMPONENTS:-main,universe}
 export EFI_BOOT_DIR="EFI/ubuntu"
 
diff --git a/diskimage_builder/elements/ubuntu/root.d/10-cache-ubuntu-tarball b/diskimage_builder/elements/ubuntu/root.d/10-cache-ubuntu-tarball
index b8e85e0ca..f2bfed413 100755
--- a/diskimage_builder/elements/ubuntu/root.d/10-cache-ubuntu-tarball
+++ b/diskimage_builder/elements/ubuntu/root.d/10-cache-ubuntu-tarball
@@ -12,7 +12,7 @@ set -o pipefail
 
 shopt -s extglob
 
-DIB_RELEASE=${DIB_RELEASE:-trusty}
+DIB_RELEASE=${DIB_RELEASE:-noble}
 DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-https://cloud-images.ubuntu.com/$DIB_RELEASE/current}
 if [ $DIB_RELEASE != "trusty" ] ; then
     BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-$DIB_RELEASE-server-cloudimg-$ARCH.squashfs}