diff --git a/src/GitHub.App/Api/ApiClient.cs b/src/GitHub.App/Api/ApiClient.cs
index ca6f23970c..39d69e3188 100644
--- a/src/GitHub.App/Api/ApiClient.cs
+++ b/src/GitHub.App/Api/ApiClient.cs
@@ -257,7 +257,11 @@ public IObservable<Repository> GetRepositories()
 
         public IObservable<Branch> GetBranches(string owner, string repo)
         {
+#pragma warning disable CS0618
+            // GetAllBranches is obsolete, but don't want to introduce the change to fix the
+            // warning in the PR, so disabling for now.
             return gitHubClient.Repository.GetAllBranches(owner, repo);
+#pragma warning restore
         }
 
         public IObservable<Repository> GetRepository(string owner, string repo)
diff --git a/submodules/octokit.net b/submodules/octokit.net
index 95d6511f73..2436b20db9 160000
--- a/submodules/octokit.net
+++ b/submodules/octokit.net
@@ -1 +1 @@
-Subproject commit 95d6511f73596f67b3c0ff2d4a132d5734e4d57c
+Subproject commit 2436b20db91387ab51a5b6456fc1af4aa15fd59d