diff --git a/data/graphql/ghes-3.5/schema.docs-enterprise.graphql b/data/graphql/ghes-3.5/schema.docs-enterprise.graphql
index a6c1edca7a..d981e1fe43 100644
--- a/data/graphql/ghes-3.5/schema.docs-enterprise.graphql
+++ b/data/graphql/ghes-3.5/schema.docs-enterprise.graphql
@@ -32385,6 +32385,12 @@ enum ReportedContentClassifiers {
 A repository contains the content for a project.
 """
 type Repository implements Node & PackageOwner & ProjectOwner & RepositoryInfo & Starrable & Subscribable & UniformResourceLocatable {
+  """
+  Whether or not a pull request head branch that is behind its base branch can
+  always be updated even if it is not required to be up to date before merging.
+  """
+  allowUpdateBranch: Boolean!
+
   """
   A list of users that can be assigned to issues in this repository.
   """
diff --git a/lib/graphql/static/schema-ghes-3.5.json b/lib/graphql/static/schema-ghes-3.5.json
index 52b18cf79b..c397bd6c48 100644
--- a/lib/graphql/static/schema-ghes-3.5.json
+++ b/lib/graphql/static/schema-ghes-3.5.json
@@ -45523,6 +45523,14 @@
         }
       ],
       "fields": [
+        {
+          "name": "allowUpdateBranch",
+          "description": "<p>Whether or not a pull request head branch that is behind its base branch can\nalways be updated even if it is not required to be up to date before merging.</p>",
+          "type": "Boolean!",
+          "id": "boolean",
+          "kind": "scalars",
+          "href": "/graphql/reference/scalars#boolean"
+        },
         {
           "name": "assignableUsers",
           "description": "<p>A list of users that can be assigned to issues in this repository.</p>",