diff --git a/Octokit/Clients/AuthorizationsClient.cs b/Octokit/Clients/AuthorizationsClient.cs
index dad1bd8b..9210d0c3 100644
--- a/Octokit/Clients/AuthorizationsClient.cs
+++ b/Octokit/Clients/AuthorizationsClient.cs
@@ -97,7 +97,7 @@ namespace Octokit
 
             var endpoint = ApiUrls.Authorizations();
 
-            return ApiConnection.Put<ApplicationAuthorization>(endpoint, requestData);
+            return ApiConnection.Post<ApplicationAuthorization>(endpoint, requestData);
         }
 
         /// <summary>
diff --git a/Octokit/Http/ApiConnection.cs b/Octokit/Http/ApiConnection.cs
index b97b1afe..145ef8ab 100644
--- a/Octokit/Http/ApiConnection.cs
+++ b/Octokit/Http/ApiConnection.cs
@@ -207,7 +207,8 @@ namespace Octokit
                 uri,
                 data,
                 accepts,
-                contentType).ConfigureAwait(false);
+                contentType,
+                twoFactorAuthenticationCode).ConfigureAwait(false);
             return response.Body;
         }