diff --git a/src/dora/dora_launcher.star b/src/dora/dora_launcher.star
index 61b6a529a..a18181889 100644
--- a/src/dora/dora_launcher.star
+++ b/src/dora/dora_launcher.star
@@ -200,6 +200,7 @@ def new_config_template_data(
         "ELClientInfo": el_client_info,
         "MEVRelayInfo": mev_endpoint_info,
         "PublicNetwork": True if network in constants.PUBLIC_NETWORKS else False,
+        "IsDevnet": True if "devnet" in network else False,
     }
 
 
diff --git a/static_files/dora-config/config.yaml.tmpl b/static_files/dora-config/config.yaml.tmpl
index 4c31ef8dc..e9f6fe6d9 100644
--- a/static_files/dora-config/config.yaml.tmpl
+++ b/static_files/dora-config/config.yaml.tmpl
@@ -26,7 +26,11 @@ frontend:
   ethExplorerLink: ""
 
   # file or inventory url to load validator names from
+{{- if .IsDevnet }}
+  validatorNamesInventory: "https://config.{{ .Network }}.ethpandaops.io/api/v1/nodes/validator-ranges"
+{{- else }}
   validatorNamesYaml: "/validator-ranges/validator-ranges.yaml"
+{{- end }}
 
   publicRpcUrl: "{{ .PublicRPC }}"
   rainbowkitProjectId: "15fe4ab4d5c0bcb6f0dc7c398301ff0e"