diff --git a/public/config/ramp3/mashups.json b/public/config/ramp3/mashups.json
index 94c0d57..0889ec3 100644
--- a/public/config/ramp3/mashups.json
+++ b/public/config/ramp3/mashups.json
@@ -96,7 +96,7 @@
                 "id": "firstnationslocations",
                 "name": "First Nations Locations",
                 "layerType": "esriFeature",
-                "url": "https://data.aadnc-aandc.gc.ca/geomatics/rest/services/Donnees_Ouvertes-Open_Data/Premiere_Nation_First_Nation/MapServer/0"
+                "url": "https://data.sac-isc.gc.ca/geomatics/rest/services/Donnees_Ouvertes-Open_Data/Premiere_Nation_First_Nation/MapServer/0"
             },
             {
                 "id": "mercuryinwater",
diff --git a/public/config/ramp4/mashups.json b/public/config/ramp4/mashups.json
index d11294f..bd63bfa 100644
--- a/public/config/ramp4/mashups.json
+++ b/public/config/ramp4/mashups.json
@@ -88,7 +88,7 @@
                 {
                     "name": "First Nations Locations",
                     "id": "firstnationslocations",
-                    "url": "https://data.aadnc-aandc.gc.ca/geomatics/rest/services/Donnees_Ouvertes-Open_Data/Premiere_Nation_First_Nation/MapServer/0",
+                    "url": "https://data.sac-isc.gc.ca/geomatics/rest/services/Donnees_Ouvertes-Open_Data/Premiere_Nation_First_Nation/MapServer/0",
                     "layerType": "esri-feature"
                 },
                 {