diff --git a/data-model/fdo-type/shared-model/0.4.0/schema/assertion.json b/data-model/fdo-type/shared-model/0.4.0/schema/assertion.json
index 057682a..93f9a30 100644
--- a/data-model/fdo-type/shared-model/0.4.0/schema/assertion.json
+++ b/data-model/fdo-type/shared-model/0.4.0/schema/assertion.json
@@ -111,7 +111,7 @@
       ]
     },
     "ods:hasAgents": {
-      "type": "object",
+      "type": "array",
       "description": "The agent(s) who made the assertion, contains an ods:Agent object",
       "items": {
         "type": "object",
diff --git a/data-model/fdo-type/shared-model/0.4.0/schema/citation.json b/data-model/fdo-type/shared-model/0.4.0/schema/citation.json
index 3ced103..9e4e1f0 100644
--- a/data-model/fdo-type/shared-model/0.4.0/schema/citation.json
+++ b/data-model/fdo-type/shared-model/0.4.0/schema/citation.json
@@ -80,7 +80,7 @@
       "description": "Is the citation peer reviewed?"
     },
     "ods:hasAgents": {
-      "type": "object",
+      "type": "array",
       "description": "The agent(s) who made the publication, contains an ods:Agent object",
       "items": {
         "type": "object",
diff --git a/data-model/fdo-type/shared-model/0.4.0/schema/entity-relationship.json b/data-model/fdo-type/shared-model/0.4.0/schema/entity-relationship.json
index 31fed9c..837866e 100644
--- a/data-model/fdo-type/shared-model/0.4.0/schema/entity-relationship.json
+++ b/data-model/fdo-type/shared-model/0.4.0/schema/entity-relationship.json
@@ -67,7 +67,7 @@
       ]
     },
     "ods:hasAgents": {
-      "type": "object",
+      "type": "array",
       "description": "The agent(s) who created the entityRelationship, contains an ods:Agent object",
       "items": {
         "type": "object",
diff --git a/data-model/fdo-type/shared-model/0.4.0/schema/tombstone-metadata.json b/data-model/fdo-type/shared-model/0.4.0/schema/tombstone-metadata.json
index 700e047..a80160e 100644
--- a/data-model/fdo-type/shared-model/0.4.0/schema/tombstone-metadata.json
+++ b/data-model/fdo-type/shared-model/0.4.0/schema/tombstone-metadata.json
@@ -28,7 +28,7 @@
       ]
     },
     "ods:hasAgents": {
-      "type": "object",
+      "type": "array",
       "description": "The agent(s) who tombstoned the Digital Object, contains an ods:Agent object",
       "minItems": 1,
       "items": {