1 files changed, 2 insertions, 2 deletions
diff --git a/Firebase/Auth/Source/FIRAuthDefaultUIDelegate.m b/Firebase/Auth/Source/FIRAuthDefaultUIDelegate.m
index e5aa7f4..fb8b457 100644
--- a/Firebase/Auth/Source/FIRAuthDefaultUIDelegate.m
+++ b/Firebase/Auth/Source/FIRAuthDefaultUIDelegate.m
@@ -16,7 +16,7 @@
 
 #import "FIRAuthDefaultUIDelegate.h"
 
-#import <FirebaseCore/FIRAppEnvironmentUtil.h>
+#import <GoogleUtilities/GULAppEnvironmentUtil.h>
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -63,7 +63,7 @@ NS_ASSUME_NONNULL_BEGIN
   // iOS App extensions should not call [UIApplication sharedApplication], even if UIApplication
   // responds to it.
   static Class applicationClass = nil;
-  if (![FIRAppEnvironmentUtil isAppExtension]) {
+  if (![GULAppEnvironmentUtil isAppExtension]) {
     Class cls = NSClassFromString(@"UIApplication");
     if (cls && [cls respondsToSelector:NSSelectorFromString(@"sharedApplication")]) {
       applicationClass = cls;