diff --git a/packages/firebase_messaging/README.md b/packages/firebase_messaging/README.md
index 4e126949b929..8e794bf8d32f 100644
--- a/packages/firebase_messaging/README.md
+++ b/packages/firebase_messaging/README.md
@@ -30,6 +30,8 @@ dependencies {
   classpath 'com.android.tools.build:gradle:3.2.1'
   // Add the google services classpath
   classpath 'com.google.gms:google-services:4.3.0'
+  // Add the dependency for the Cloud Messaging Android library
+  implementation 'com.google.firebase:firebase-messaging:20.0.0'
 }
 ```
 3. Add the apply plugin to the `[project]/android/app/build.gradle` file.