diff --git a/static/schemas/Builder.schema.json b/static/schemas/Builder.schema.json
index f88b98e..68467ed 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:02d32d8e-4417-46fe-be3a-794781580f70"
+      "default": "xmp:iid:73279c05-2866-4cc3-b2c4-829f5fc70d11"
     },
     "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 4673859..4e33e87 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:66a2e288-40e4-4685-9cc3-5d9dc5fc69b2"
+      "default": "xmp:iid:ac5bfbd5-8af9-4e0f-bcfe-628062b69418"
     },
     "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 8ff7b49..afbcf0a 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:0e6e3f89-a39b-4e4c-bee5-a8247fa3b03d"
+          "default": "xmp:iid:82ad6fa6-260c-4dfc-a423-225f09114142"
         },
         "thumbnail": {
           "anyOf": [