diff --git a/04_sync/android/app/build.gradle b/04_sync/android/app/build.gradle
index 2706079659..6efe911aa3 100644
--- a/04_sync/android/app/build.gradle
+++ b/04_sync/android/app/build.gradle
@@ -57,7 +57,7 @@ dependencies {
     def gson_version = "2.11.0"
     def nav_version = "2.7.7"
     def room_version = "2.6.1"
-    def firebase_version = "33.5.1"
+    def firebase_version = "33.6.0"
     def okhttp_version = "4.12.0"
     def play_services_base_version = "18.4.0"