diff --git a/Octokit.Reactive/Clients/IObservableRepositoriesClient.cs b/Octokit.Reactive/Clients/IObservableRepositoriesClient.cs
index 952dd82a61..4bab6da42b 100644
--- a/Octokit.Reactive/Clients/IObservableRepositoriesClient.cs
+++ b/Octokit.Reactive/Clients/IObservableRepositoriesClient.cs
@@ -597,6 +597,7 @@ public interface IObservableRepositoriesClient
         /// See the <a href="https://developer.github.com/v3/repos/keys/">Repository Deploy Keys API documentation</a> for more information.
         /// </remarks>
         IObservableRepositoryDeployKeysClient DeployKeys { get; }
+
         /// <summary>
         /// A client for GitHub's Repository Pages API.
         /// </summary>
@@ -604,5 +605,13 @@ public interface IObservableRepositoriesClient
         /// See the <a href="https://developer.github.com/v3/repos/pages/">Repository Pages API documentation</a> for more information.
         /// </remarks>
         IObservableRepositoryPagesClient Page { get; }
+
+        /// <summary>
+        /// A client for GitHub's Repository Invitations API.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://developer.github.com/v3/repos/invitations/">Repository Invitations API documentation</a> for more information.
+        /// </remarks>
+        IObservableRepositoryInvitationsClient Invitation { get; }
     }
 }
diff --git a/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs b/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs
index c4839ea021..fa6f1f7c28 100644
--- a/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs
+++ b/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs
@@ -42,6 +42,7 @@ public ObservableRepositoriesClient(IGitHubClient client)
             Content = new ObservableRepositoryContentsClient(client);
             Merging = new ObservableMergingClient(client);
             Page = new ObservableRepositoryPagesClient(client);
+            Invitation = new ObservableRepositoryInvitationsClient(client);
         }
 
         /// <summary>
@@ -900,5 +901,13 @@ public IObservable<CompareResult> Compare(string owner, string name, string @bas
         /// See the <a href="https://developer.github.com/v3/repos/pages/">Repository Pages API documentation</a> for more information.
         /// </remarks>
         public IObservableRepositoryPagesClient Page { get; private set; }
+
+        /// <summary>
+        /// A client for GitHub's Repository Invitations API.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://developer.github.com/v3/repos/invitations/">Repository Invitations API documentation</a> for more information.
+        /// </remarks>
+        public IObservableRepositoryInvitationsClient Invitation { get; private set; }        
     }
 }