diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 34baf1ac0a..8ba84480e6 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -14,5 +14,3 @@ updates:
           time: "04:00"
           timezone: Europe/Berlin
       open-pull-requests-limit: 99
-      ignore:
-          - dependency-name: "com.google.firebase:firebase-bom"
diff --git a/mobile/build.gradle b/mobile/build.gradle
index 86c967b478..b0fc22c809 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -169,7 +169,7 @@ dependencies {
     implementation "com.mikepenz:aboutlibraries:$about_libraries_version"
 
     // Firebase
-    implementation platform("com.google.firebase:firebase-bom:25.11.0")
+    implementation platform("com.google.firebase:firebase-bom:31.1.1")
     fullImplementation "com.google.firebase:firebase-messaging-ktx"
     fullImplementation "com.google.firebase:firebase-crashlytics-ktx"
 
diff --git a/mobile/src/full/java/org/openhab/habdroid/core/FcmRegistrationWorker.kt b/mobile/src/full/java/org/openhab/habdroid/core/FcmRegistrationWorker.kt
index e97bccc28e..9ccd8ccafc 100644
--- a/mobile/src/full/java/org/openhab/habdroid/core/FcmRegistrationWorker.kt
+++ b/mobile/src/full/java/org/openhab/habdroid/core/FcmRegistrationWorker.kt
@@ -30,13 +30,13 @@ import androidx.work.OneTimeWorkRequest
 import androidx.work.WorkManager
 import androidx.work.WorkRequest
 import androidx.work.WorkerParameters
-import com.google.firebase.iid.FirebaseInstanceId
 import com.google.firebase.messaging.FirebaseMessaging
 import com.google.firebase.messaging.RemoteMessage
 import java.io.IOException
 import java.net.URLEncoder
 import java.util.Locale
 import java.util.concurrent.TimeUnit
+import kotlinx.coroutines.runBlocking
 import org.openhab.habdroid.R
 import org.openhab.habdroid.core.connection.CloudConnection
 import org.openhab.habdroid.core.connection.ConnectionFactory
@@ -119,19 +119,25 @@ class FcmRegistrationWorker(private val context: Context, params: WorkerParamete
     // HttpException is thrown by our HTTP code, IOException can be thrown by FCM
     @Throws(HttpClient.HttpException::class, IOException::class)
     private suspend fun registerFcm(connection: CloudConnection) {
-        val token = FirebaseInstanceId.getInstance().getToken(connection.messagingSenderId,
-                FirebaseMessaging.INSTANCE_ID_SCOPE)
-        val deviceName = deviceName + if (Util.isFlavorBeta) " (${context.getString(R.string.beta)})" else ""
-        val deviceId = Settings.Secure.getString(context.contentResolver, Settings.Secure.ANDROID_ID) +
+        FirebaseMessaging.getInstance().token.addOnSuccessListener { token: String ->
+            val deviceName = deviceName + if (Util.isFlavorBeta) " (${context.getString(R.string.beta)})" else ""
+            val deviceId = Settings.Secure.getString(context.contentResolver, Settings.Secure.ANDROID_ID) +
                 if (Util.isFlavorBeta) "-beta" else ""
 
-        val regUrl = String.format(Locale.US,
+            val registrationUrl = String.format(
+                Locale.US,
                 "addAndroidRegistration?deviceId=%s&deviceModel=%s&regId=%s",
-                deviceId, URLEncoder.encode(deviceName, "UTF-8"), token)
-
-        Log.d(TAG, "Register device at openHAB-cloud with URL: $regUrl")
-        connection.httpClient.get(regUrl).close()
-        Log.d(TAG, "FCM reg id success")
+                deviceId,
+                URLEncoder.encode(deviceName, "UTF-8"),
+                token
+            )
+
+            Log.d(TAG, "Register device at openHAB cloud with URL: $registrationUrl")
+            runBlocking {
+                connection.httpClient.get(registrationUrl).close()
+            }
+            Log.d(TAG, "FCM reg id success")
+        }
     }
 
     private fun sendHideNotificationRequest(notificationId: Int, senderId: String) {