diff --git a/jenkins/jobs/devstack-gate.yaml b/jenkins/jobs/devstack-gate.yaml
index e4ed72febf..a90f880e78 100644
--- a/jenkins/jobs/devstack-gate.yaml
+++ b/jenkins/jobs/devstack-gate.yaml
@@ -696,15 +696,15 @@
                           export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
                           ;;
                       'coreos')
-                          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1024"
+                          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1280"
                           ;;
                   # if using a ramdisk without a known good value, use the devstack
                   # default by not exporting any value for IRONIC_VM_SPECS_RAM
                   esac
               else
-                  # For kilo and liberty, we still need 1024mb or ram as
+                  # For kilo and liberty, we still need 1280mb of ram as
                   # we only have the CoreOS ramdisk.
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1024"
+                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1280"
               fi
           fi