diff --git a/static/schemas/Builder.schema.json b/static/schemas/Builder.schema.json
index 39f5a13..70c27b4 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:d12d1936-3328-4bbd-a9eb-8a47352d2c68"
+      "default": "xmp:iid:9e59868a-3b82-4094-a63f-560a83788729"
     },
     "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 2d89fc2..fa28b4c 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:1cb5c2c5-99a4-461d-9a7e-4feee0e9dd8c"
+      "default": "xmp:iid:90952fe7-6373-431c-be3d-f3cbbbbaee84"
     },
     "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 4fa9537..4045569 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:5bcbf203-accf-410d-b4b8-4d7ce6cfaa67"
+          "default": "xmp:iid:cb86579c-d691-41d0-aec6-545398095160"
         },
         "thumbnail": {
           "anyOf": [