diff --git a/gcloud-workstation-phpstorm/Dockerfile b/gcloud-workstation-phpstorm/Dockerfile
index 3c9aaad..cf22a72 100644
--- a/gcloud-workstation-phpstorm/Dockerfile
+++ b/gcloud-workstation-phpstorm/Dockerfile
@@ -1,7 +1,7 @@
 # https://console.cloud.google.com/artifacts/docker/cloud-workstations-images/us-central1/predefined/phpstorm
 FROM europe-west3-docker.pkg.dev/cloud-workstations-images/predefined/phpstorm:latest@sha256:c80efb95329c7429de71f6e5987324ec94970ef532f76d174a4fa1fc6b32cb34 as base
 
-FROM ubuntu:22.04@sha256:340d9b015b194dc6e2a13938944e0d016e57b9679963fdeb9ce021daac430221
+FROM ubuntu:24.04@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30
 
 # we use the /home directory in a persistent way
 VOLUME ["/home/"]
diff --git a/gcloud-workstation-vscode/Dockerfile b/gcloud-workstation-vscode/Dockerfile
index be1bbc8..ab35fa4 100644
--- a/gcloud-workstation-vscode/Dockerfile
+++ b/gcloud-workstation-vscode/Dockerfile
@@ -1,7 +1,7 @@
 # https://console.cloud.google.com/artifacts/docker/cloud-workstations-images/us-central1/predefined/code-oss
 FROM europe-west3-docker.pkg.dev/cloud-workstations-images/predefined/code-oss:latest@sha256:5a6e393a46747f72574f216cf1f4379ee22027d6b92f202517da3f143a81e136 as base
 
-FROM ubuntu:22.04@sha256:340d9b015b194dc6e2a13938944e0d016e57b9679963fdeb9ce021daac430221
+FROM ubuntu:24.04@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30
 
 # we use the /home directory in a persistent way
 VOLUME ["/home/"]