diff --git a/app/build.gradle b/app/build.gradle
index d029c4d..3b28f31 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -90,7 +90,7 @@ dependencies {
   // QR code reader
   implementation 'com.google.android.gms:play-services-vision:20.1.3'
   // Google Play Services availability check
-  implementation 'com.google.android.gms:play-services-base:18.5.0'
+  implementation 'com.google.android.gms:play-services-base:18.9.0'
   //Firebase Cloud Messaging (FCM)
   implementation 'com.google.firebase:firebase-messaging:24.0.2'
   // Support for multidex