diff --git a/apis/cf/latest/components/parameters/PerPage.yaml b/apis/cf/latest/components/parameters/PerPage.yaml
index 7041fac..649e26a 100644
--- a/apis/cf/latest/components/parameters/PerPage.yaml
+++ b/apis/cf/latest/components/parameters/PerPage.yaml
@@ -1,6 +1,6 @@
 name: per_page
 in: query
-required: false
+required: true
 schema:
   type: integer
 description: Number of results per page, valid values are 1 through 5000