diff --git a/OneSignalSDK/onesignal/notifications/build.gradle b/OneSignalSDK/onesignal/notifications/build.gradle
index dbe68239ed..8ad12216b7 100644
--- a/OneSignalSDK/onesignal/notifications/build.gradle
+++ b/OneSignalSDK/onesignal/notifications/build.gradle
@@ -72,12 +72,11 @@ dependencies {
 
     compileOnly('com.amazon.device:amazon-appstore-sdk:[3.0.1, 3.0.99]')
 
-    // firebase-messaging:18.0.0 is the last version before going to AndroidX
-    // firebase-messaging:19.0.0 is the first version using AndroidX
+    // firebase-messaging:21.0.0 introduces FirebaseMessaging.getToken API
     // firebase-messaging:23.0.0 incoporates fix for SecurityException: Not allowed to bind to service
     api('com.google.firebase:firebase-messaging') {
         version {
-            require '[19.0.0, 23.4.99]'
+            require '[21.0.0, 23.4.99]'
             prefer '23.4.0'
         }
     }