diff --git a/tosca-configs/att-workflow/bbwf-adtran-olt.yaml b/tosca-configs/att-workflow/bbwf-adtran-olt.yaml
index 666ab42..4c47675 100755
--- a/tosca-configs/att-workflow/bbwf-adtran-olt.yaml
+++ b/tosca-configs/att-workflow/bbwf-adtran-olt.yaml
@@ -41,7 +41,7 @@
         outer_tpid: "0x8100"
         uplink: "1"
         nas_id: "NAS_ID"
-        serial_number: "fill-me-in"
+        serial_number: "ADTN17510028"
       requirements:
         - volt_service:
             node: service#volt