diff --git a/static/schemas/Builder.schema.json b/static/schemas/Builder.schema.json
index 70c27b4..b99eb15 100644
--- a/static/schemas/Builder.schema.json
+++ b/static/schemas/Builder.schema.json
@@ -53,7 +53,7 @@
     "instance_id": {
       "description": "Instance ID from `xmpMM:InstanceID` in XMP metadata.",
       "type": "string",
-      "default": "xmp:iid:9e59868a-3b82-4094-a63f-560a83788729"
+      "default": "xmp:iid:453a89ed-1e60-425f-b5f5-0caeb14d0fef"
     },
     "thumbnail": {
       "description": "An optional ResourceRef to a thumbnail image that represents the asset that was signed.\nMust be available when the manifest is signed.",
diff --git a/static/schemas/ManifestDefinition.schema.json b/static/schemas/ManifestDefinition.schema.json
index fa28b4c..3a735dd 100644
--- a/static/schemas/ManifestDefinition.schema.json
+++ b/static/schemas/ManifestDefinition.schema.json
@@ -53,7 +53,7 @@
     "instance_id": {
       "description": "Instance ID from `xmpMM:InstanceID` in XMP metadata.",
       "type": "string",
-      "default": "xmp:iid:90952fe7-6373-431c-be3d-f3cbbbbaee84"
+      "default": "xmp:iid:1b4cc638-aa2b-4a76-81ec-6dfbb1b325a3"
     },
     "thumbnail": {
       "description": "An optional ResourceRef to a thumbnail image that represents the asset that was signed.\nMust be available when the manifest is signed.",
diff --git a/static/schemas/Reader.schema.json b/static/schemas/Reader.schema.json
index 4045569..73ba7d1 100644
--- a/static/schemas/Reader.schema.json
+++ b/static/schemas/Reader.schema.json
@@ -108,7 +108,7 @@
         "instance_id": {
           "description": "Instance ID from `xmpMM:InstanceID` in XMP metadata.",
           "type": "string",
-          "default": "xmp:iid:cb86579c-d691-41d0-aec6-545398095160"
+          "default": "xmp:iid:22230b9f-73bf-4878-84e3-8de0fcc3b839"
         },
         "thumbnail": {
           "anyOf": [