diff --git a/arkindex/schema.yml b/arkindex/schema.yml
index 184f680693605628058b1a48d26c21224c899ed0..8cad4480965a6f94b727dc9fdd228d86f75504b8 100644
--- a/arkindex/schema.yml
+++ b/arkindex/schema.yml
@@ -172,6 +172,8 @@ paths:
                           - character
                         zone:
                           properties:
+                            center:
+                              type: array
                             id:
                               type: string
                             image_url:
@@ -183,6 +185,7 @@ paths:
                               type: string
                           required:
                           - polygon
+                          - center
                           - image_url
                           type: object
                       required:
@@ -1061,6 +1064,8 @@ paths:
                     - character
                   zone:
                     properties:
+                      center:
+                        type: array
                       id:
                         type: string
                       image_url:
@@ -1072,6 +1077,7 @@ paths:
                         type: string
                     required:
                     - polygon
+                    - center
                     - image_url
                     type: object
                 required:
@@ -4094,6 +4100,8 @@ paths:
                           - character
                         zone:
                           properties:
+                            center:
+                              type: array
                             id:
                               type: string
                             image_url:
@@ -4105,6 +4113,7 @@ paths:
                               type: string
                           required:
                           - polygon
+                          - center
                           - image_url
                           type: object
                       required:
@@ -4233,6 +4242,8 @@ paths:
                           - character
                         zone:
                           properties:
+                            center:
+                              type: array
                             id:
                               type: string
                             image_url:
@@ -4244,6 +4255,7 @@ paths:
                               type: string
                           required:
                           - polygon
+                          - center
                           - image_url
                           type: object
                       required:
@@ -4422,6 +4434,8 @@ paths:
                               - character
                             zone:
                               properties:
+                                center:
+                                  type: array
                                 id:
                                   type: string
                                 image_url:
@@ -4433,6 +4447,7 @@ paths:
                                   type: string
                               required:
                               - polygon
+                              - center
                               - image_url
                               type: object
                           required:
@@ -4450,6 +4465,8 @@ paths:
                     type: object
                   zone:
                     properties:
+                      center:
+                        type: array
                       id:
                         type: string
                       image_url:
@@ -4461,6 +4478,7 @@ paths:
                         type: string
                     required:
                     - polygon
+                    - center
                     - image_url
                     type: object
                 required: