diff --git a/gcloud-workstation-phpstorm/Dockerfile b/gcloud-workstation-phpstorm/Dockerfile
index 82a48ad..a39affa 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:bf348d24dc9129b6f361076c508d6591c8068abc45d97bee284cf514fc1d5240 as base
 
-FROM ubuntu:22.04@sha256:0e5e4a57c2499249aafc3b40fcd541e9a456aab7296681a3994d631587203f97
+FROM ubuntu:24.04@sha256:99c35190e22d294cdace2783ac55effc69d32896daaa265f0bbedbcde4fbe3e5
 
 # we use the /home directory in a persistent way
 VOLUME ["/home/"]
diff --git a/gcloud-workstation-vscode/Dockerfile b/gcloud-workstation-vscode/Dockerfile
index 7edf22b..2e1196f 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@sha256:0d1e1b588ffe5b998b2421476549ef3175bbc1e33639fe1a99d1dee77e903bd6 as base
 
-FROM ubuntu:22.04@sha256:0e5e4a57c2499249aafc3b40fcd541e9a456aab7296681a3994d631587203f97
+FROM ubuntu:24.04@sha256:99c35190e22d294cdace2783ac55effc69d32896daaa265f0bbedbcde4fbe3e5
 
 # we use the /home directory in a persistent way
 VOLUME ["/home/"]