diff --git a/02_arch/android/app/build.gradle b/02_arch/android/app/build.gradle
index b9392becf..345cbba13 100644
--- a/02_arch/android/app/build.gradle
+++ b/02_arch/android/app/build.gradle
@@ -60,7 +60,7 @@ dependencies {
     def mdc_version = "1.12.0"
     def nav_version = "2.9.3"
     def room_version = "2.7.2"
-    def firebase_version = "34.1.0"
+    def firebase_version = "34.3.0"
     def glide_version = "4.16.0"
     def retrofit_version = "3.0.0"
     def retrofitgson_version = "3.0.0"