diff --git a/static/schemas/Builder.schema.json b/static/schemas/Builder.schema.json
index 2a0cf00..39f5a13 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:0030a607-4413-4051-9197-43a4721e4304"
+      "default": "xmp:iid:d12d1936-3328-4bbd-a9eb-8a47352d2c68"
     },
     "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 0a9d9cb..2d89fc2 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:fcaddb67-a2c1-4fff-9ded-b38b711bccfc"
+      "default": "xmp:iid:1cb5c2c5-99a4-461d-9a7e-4feee0e9dd8c"
     },
     "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 e2c3dca..4fa9537 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:0af504c1-3f18-4198-8d86-328427d05dad"
+          "default": "xmp:iid:5bcbf203-accf-410d-b4b8-4d7ce6cfaa67"
         },
         "thumbnail": {
           "anyOf": [