diff --git a/Octokit.Tests/Models/CollaboratorPermissionResponseTests.cs b/Octokit.Tests/Models/CollaboratorPermissionResponseTests.cs
new file mode 100644
index 0000000000..b70fce52ee
--- /dev/null
+++ b/Octokit.Tests/Models/CollaboratorPermissionResponseTests.cs
@@ -0,0 +1,52 @@
+using Octokit;
+using Octokit.Internal;
+using Xunit;
+
+public class CollaboratorPermissionResponseTests
+{
+  [Fact]
+  public void CanDeserialize()
+  {
+    const string json = @"{
+      ""permission"": ""read"",
+      ""user"": {
+        ""login"": ""octocat"",
+        ""id"": 583231,
+        ""node_id"": ""MDQ6VXNlcjU4MzIzMQ=="",
+        ""avatar_url"": ""https://avatars.githubusercontent.com/u/583231?v=4"",
+        ""gravatar_id"": """",
+        ""url"": ""https://api.github.com/users/octocat"",
+        ""html_url"": ""https://github.com/octocat"",
+        ""followers_url"": ""https://api.github.com/users/octocat/followers"",
+        ""following_url"": ""https://api.github.com/users/octocat/following{/other_user}"",
+        ""gists_url"": ""https://api.github.com/users/octocat/gists{/gist_id}"",
+        ""starred_url"": ""https://api.github.com/users/octocat/starred{/owner}{/repo}"",
+        ""subscriptions_url"": ""https://api.github.com/users/octocat/subscriptions"",
+        ""organizations_url"": ""https://api.github.com/users/octocat/orgs"",
+        ""repos_url"": ""https://api.github.com/users/octocat/repos"",
+        ""events_url"": ""https://api.github.com/users/octocat/events{/privacy}"",
+        ""received_events_url"": ""https://api.github.com/users/octocat/received_events"",
+        ""type"": ""User"",
+        ""site_admin"": false,
+        ""permissions"": {
+          ""admin"": false,
+          ""maintain"": false,
+          ""push"": false,
+          ""triage"": false,
+          ""pull"": true
+        },
+        ""role_name"": ""read""
+      },
+      ""role_name"": ""read""
+    }";
+
+    var actual = new SimpleJsonSerializer().Deserialize<CollaboratorPermissionResponse>(json);
+
+    Assert.Equal("read", actual.Permission);
+    Assert.Equal("octocat", actual.Collaborator.Login);
+    Assert.Equal(583231, actual.Collaborator.Id);
+    Assert.Equal("read", actual.RoleName);
+
+    Assert.Equal("Collaborator: 583231 Permission: read RoleName: read", actual.DebuggerDisplay);
+  }
+}
diff --git a/Octokit/Models/Response/CollaboratorPermissionResponse.cs b/Octokit/Models/Response/CollaboratorPermissionResponse.cs
index 7dd8aa8b9e..69b802b7c5 100644
--- a/Octokit/Models/Response/CollaboratorPermissionResponse.cs
+++ b/Octokit/Models/Response/CollaboratorPermissionResponse.cs
@@ -1,4 +1,5 @@
 using System.Diagnostics;
+using Octokit.Internal;
 
 namespace Octokit
 {
@@ -21,6 +22,7 @@ public CollaboratorPermissionResponse(string permission, string roleName, Collab
 
         public string RoleName { get; private set; }
 
+        [Parameter(Key = "user")]
         public Collaborator Collaborator { get; private set; }
 
         internal string DebuggerDisplay => $"Collaborator: {Collaborator.Id} Permission: {Permission} RoleName: {RoleName}";