diff --git a/management/creative-template.yaml b/management/creative-template.yaml
index 4242395..49662fb 100644
--- a/management/creative-template.yaml
+++ b/management/creative-template.yaml
@@ -108,6 +108,7 @@ paths:
                         nullable: true
                       AllowedValues:
                         type: array
+                        nullable: true
                         items:
                           type: string
                       Regex:
diff --git a/management/schemas/creative-template.yaml b/management/schemas/creative-template.yaml
index f196530..4e48a4d 100644
--- a/management/schemas/creative-template.yaml
+++ b/management/schemas/creative-template.yaml
@@ -23,6 +23,7 @@ schemas:
         nullable: true
       AllowedValues:
         type: array
+        nullable: true
         items:
           type: string
       Regex: