[build-failure] Unsupported engine for hippo-ckeditor-codemirror-plugin

15:06:31 npm ERR! code ENOTSUP
15:06:31 npm ERR! notsup Unsupported engine for hippo-ckeditor-codemirror-plugin@1.13.0: wanted:

{"node":"6"}

(current:

{"node":"8.10.0","npm":"5.6.0"}

)
15:06:31 npm ERR! notsup Not compatible with your version of node/npm: hippo-ckeditor-codemirror-plugin@1.13.0
15:06:31 npm ERR! notsup Not compatible with your version of node/npm: hippo-ckeditor-codemirror-plugin@1.13.0
15:06:31 npm ERR! notsup Required:

{"node":"6"}

15:06:31 npm ERR! notsup Actual:

{"npm":"5.6.0","node":"8.10.0"}

See https://builds.onehippo.org/view/All%20Failed/job/org_11.2_hippo-ckeditor/46/