The following runtime language contains important security updates
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## Security
Security
The following runtime language contains important security updates:
* [Java 17 and later](https://cloud.google.com/appengine/docs/flexible/lifecycle/support-schedule#java): `17.0.20_101`, `21.0.12_101.0.LTS`, `25.0.5_8.0.LTS`
The following stacks and their underlying operating system packages have also been updated:
* `google-22`, `google-22-full`
* `google-24`, `google-24-full`
Take immediate protective action by rebuilding and redeploying your resources with updated dependencies.
See [Security bulletins for Google Cloud](https://docs.cloud.google.com/support/bulletins) for more information.