diff --git a/aep/general/0131/get.oas.yaml b/aep/general/0131/get.oas.yaml
index f36d45bb..1e5b78f1 100644
--- a/aep/general/0131/get.oas.yaml
+++ b/aep/general/0131/get.oas.yaml
@@ -31,6 +31,10 @@ components:
           description: |
             The name of the book.
             Format: publishers/{publisher}/books/{book}
+        publisher:
+          type: string
+          description: |
+            The name of the publisher.
         isbn:
           type: string
           description: |