when i issue this command there different foundation versions

how can i upgrade 10.11.12.35 to the same version of other cvms

allssh 'cat ~/foundation/foundation_version'
================== 10.11.12.35 =================
foundation-5.5-02013d8b
================== 10.11.12.37 =================
foundation-5.6.1-a98b2e5f
================== 10.11.12.36 =================
foundation-5.6.1-a98b2e5f
nutanix@NTNX-16SM6C420270-B-CVM:10.11.12.36:~$