# Updating the GuardDuty security agent on your Amazon ECS container instances
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For information about how to update the GuardDuty security agent on your EC2 container instances, see [Updating GuardDuty security agent](https://docs.aws.amazon.com/guardduty/latest/ug/managing-gdu-agent-ec2-manually.html#gdu-update-security-agent-ec2) in the *Amazon GuardDuty User Guide*.