diff --git a/website/docs/providers/index.html.markdown b/website/docs/providers/index.html.markdown
index 268d54b192..997fe23fe2 100644
--- a/website/docs/providers/index.html.markdown
+++ b/website/docs/providers/index.html.markdown
@@ -52,6 +52,7 @@ down to see all providers.
- [Cloud-init](/docs/providers/cloudinit/index.html)
- [CloudScale.ch](/docs/providers/cloudscale/index.html)
- [CloudStack](/docs/providers/cloudstack/index.html)
+- [CloudSigma](/docs/providers/cloudsigma/index.html)
- [Cobbler](/docs/providers/cobbler/index.html)
- [Cohesity](/docs/providers/cohesity/index.html)
- [Constellix](/docs/providers/constellix/index.html)