diff --git a/gcloud-workstation-phpstorm/Dockerfile b/gcloud-workstation-phpstorm/Dockerfile
index c924a05..1d7aa5e 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@sha256:6980c7baa5987888963f96cf992c882bd0abcf41603f0fccd79a2343afccefe6 as base
 
-FROM ubuntu:24.04@sha256:99c35190e22d294cdace2783ac55effc69d32896daaa265f0bbedbcde4fbe3e5
+FROM ubuntu:24.04@sha256:278628f08d4979fb9af9ead44277dbc9c92c2465922310916ad0c46ec9999295
 
 # we use the /home directory in a persistent way
 VOLUME ["/home/"]
diff --git a/gcloud-workstation-vscode/Dockerfile b/gcloud-workstation-vscode/Dockerfile
index 1bd982b..43e8d5f 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@sha256:14324cf6d6e263d83920c382df9a831581e0a41f7f198b233a08eeded855dbdb as base
 
-FROM ubuntu:24.04@sha256:99c35190e22d294cdace2783ac55effc69d32896daaa265f0bbedbcde4fbe3e5
+FROM ubuntu:24.04@sha256:278628f08d4979fb9af9ead44277dbc9c92c2465922310916ad0c46ec9999295
 
 # we use the /home directory in a persistent way
 VOLUME ["/home/"]