diff --git a/Samples/ObjC/SignInSample/Source/AuthInspectorViewController.m b/Samples/ObjC/SignInSample/Source/AuthInspectorViewController.m
index bfa10d5c..a0594514 100644
--- a/Samples/ObjC/SignInSample/Source/AuthInspectorViewController.m
+++ b/Samples/ObjC/SignInSample/Source/AuthInspectorViewController.m
@@ -36,13 +36,12 @@ - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
   self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
   if (self) {
     _keyPaths = @[
-      @"authentication.accessToken",
-      @"authentication.accessTokenExpirationDate",
-      @"authentication.refreshToken",
-      @"authentication.idToken",
+      @"accessToken.tokenString",
+      @"accessToken.expirationDate",
+      @"refreshToken.tokenString",
+      @"idToken.tokenString",
       @"grantedScopes",
       @"userID",
-      @"serverAuthCode",
       @"profile.email",
       @"profile.name",
     ];
@@ -140,4 +139,3 @@ - (CGFloat)heightForTableView:(UITableView *)tableView content:(NSString *)conte
 }
 
 @end
-
diff --git a/Samples/ObjC/SignInSample/Source/SignInViewController.m b/Samples/ObjC/SignInSample/Source/SignInViewController.m
index e2b3d077..c44a0945 100644
--- a/Samples/ObjC/SignInSample/Source/SignInViewController.m
+++ b/Samples/ObjC/SignInSample/Source/SignInViewController.m
@@ -248,7 +248,7 @@ - (void)updateButtons {
 
 - (IBAction)signIn:(id)sender {
   [GIDSignIn.sharedInstance signInWithPresentingViewController:self
-                                                    completion:^(GIDGoogleUser *user,
+                                                    completion:^(GIDUserAuth *userAuth,
                                                                  NSError *error) {
     if (error) {
       self->_signInAuthStatus.text =