diff --git a/static/schemas/Builder.schema.json b/static/schemas/Builder.schema.json
index 3fa78cd..1fc969f 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:59cd4420-3460-4705-9110-027775d19a45"
+      "default": "xmp:iid:798be68c-5b68-4a91-9bb4-b1a40002e22b"
     },
     "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 96499f3..2e68f90 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:9328bc55-9af3-471a-9034-ec7e80f6569d"
+      "default": "xmp:iid:4d43edc9-5ce8-4a2c-8722-f4448807eb6f"
     },
     "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 f5fd3b4..53a7358 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:15140878-1f9f-4fe7-ab77-1c57940c3a09"
+          "default": "xmp:iid:a2d2da9b-a41b-4692-bbe8-4187c6d8e137"
         },
         "thumbnail": {
           "anyOf": [