name : update-container-agent.rst **To update the container agent on an Amazon ECS container instance** The following ``update-container-agent`` example updates the container agent on the specified container instance in the default cluster. :: aws ecs update-container-agent --cluster default --container-instance a1b2c3d4-5678-90ab-cdef-11111EXAMPLE Output:: { "containerInstance": { "status": "ACTIVE", ... "agentUpdateStatus": "PENDING", "versionInfo": { "agentVersion": "1.0.0", "agentHash": "4023248", "dockerVersion": "DockerVersion: 1.5.0" } } } For more information, see `Updating the Amazon ECS Container Agent <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-agent-update.html>`_ in the *Amazon ECS Developer Guide*.