diff --git a/config/sites.yaml b/config/sites.yaml
index c9563cd..f36f224 100644
--- a/config/sites.yaml
+++ b/config/sites.yaml
@@ -9,6 +9,7 @@
 - "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/CESNET-MCC.yaml"
 - "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/CETA-GRID.yaml"
 - "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/CLOUDIFIN.yaml"
+- "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/CSTCLOUD-EGI.yaml"
 - "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/CYFRONET-CLOUD.yaml"
 - "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/DESY-CC.yaml"
 - "https://raw.githubusercontent.com/EGI-Federation/fedcloud-catchall-operations/main/sites/GRNET-OPENSTACK.yaml"