diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 67bbe74..a057817 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -130,6 +130,8 @@ dependencies {
     implementation(libs.okhttp.logging)
     implementation(libs.play.services.auth)
     implementation(libs.play.services.auth.api.phone)
+    implementation(libs.play.app.update)
+    implementation(libs.play.app.update.ktx)
     implementation(libs.retrofit)
     implementation(libs.retrofit.gson)
 
diff --git a/app/src/main/java/pl/firmatpp/kierowca/MainActivity.kt b/app/src/main/java/pl/firmatpp/kierowca/MainActivity.kt
index 0b532c5..012480f 100644
--- a/app/src/main/java/pl/firmatpp/kierowca/MainActivity.kt
+++ b/app/src/main/java/pl/firmatpp/kierowca/MainActivity.kt
@@ -3,6 +3,7 @@ package pl.firmatpp.kierowca
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
@@ -11,17 +12,33 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import pl.firmatpp.kierowca.ui.DriverApp
 import pl.firmatpp.kierowca.ui.DriverViewModel
 import pl.firmatpp.kierowca.ui.theme.TppKierowcaTheme
+import pl.firmatpp.kierowca.update.PlayAppUpdateState
+import pl.firmatpp.kierowca.update.PlayInAppUpdateController
 
 class MainActivity : ComponentActivity() {
     private var notificationRouteId by mutableStateOf<String?>(null)
     private var notificationRouteTarget by mutableStateOf<String?>(null)
     private var notificationLeaveRequestId by mutableStateOf<String?>(null)
+    private var playAppUpdateState by mutableStateOf(PlayAppUpdateState())
+    private lateinit var playInAppUpdates: PlayInAppUpdateController
+    private val appUpdateLauncher = registerForActivityResult(
+        ActivityResultContracts.StartIntentSenderForResult(),
+    ) { result ->
+        if (::playInAppUpdates.isInitialized) {
+            playInAppUpdates.onUpdateFlowResult(result.resultCode)
+        }
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         notificationRouteId = intent.getStringExtra(EXTRA_ROUTE_ID)
         notificationRouteTarget = intent.getStringExtra(EXTRA_ROUTE_TARGET)
         notificationLeaveRequestId = intent.getStringExtra(EXTRA_LEAVE_REQUEST_ID)
+        playInAppUpdates = PlayInAppUpdateController(
+            activity = this,
+            launcher = appUpdateLauncher,
+            onStateChanged = { playAppUpdateState = it },
+        )
         setContent {
             val viewModel: DriverViewModel = viewModel()
             val state by viewModel.state.collectAsStateWithLifecycle()
@@ -32,9 +49,27 @@ class MainActivity : ComponentActivity() {
                     initialRouteId = notificationRouteId,
                     initialRouteTarget = notificationRouteTarget,
                     initialLeaveRequestId = notificationLeaveRequestId,
+                    playAppUpdateState = playAppUpdateState,
+                    onStartAppUpdate = playInAppUpdates::startUpdate,
+                    onCompleteAppUpdate = playInAppUpdates::completeDownloadedUpdate,
                 )
             }
         }
+        playInAppUpdates.checkForUpdate()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        if (::playInAppUpdates.isInitialized) {
+            playInAppUpdates.checkForUpdate()
+        }
+    }
+
+    override fun onDestroy() {
+        if (::playInAppUpdates.isInitialized) {
+            playInAppUpdates.dispose()
+        }
+        super.onDestroy()
     }
 
     override fun onNewIntent(intent: android.content.Intent) {
diff --git a/app/src/main/java/pl/firmatpp/kierowca/data/model/DriverModels.kt b/app/src/main/java/pl/firmatpp/kierowca/data/model/DriverModels.kt
index 906b90d..a66c1b5 100644
--- a/app/src/main/java/pl/firmatpp/kierowca/data/model/DriverModels.kt
+++ b/app/src/main/java/pl/firmatpp/kierowca/data/model/DriverModels.kt
@@ -50,6 +50,16 @@ data class BootstrapResponse(
     val notificationPreferences: NotificationPreferencesDto? = null,
     val realtime: RealtimeConfigDto? = null,
     val syncState: SyncStateResponse? = null,
+    val appUpdate: AppUpdateDto? = null,
+)
+
+data class AppUpdateDto(
+    val latestVersionCode: Int? = null,
+    val latestVersionName: String? = null,
+    val minimumSupportedVersionCode: Int = 0,
+    val playStoreUrl: String? = null,
+    val track: String? = null,
+    val checkedAt: String? = null,
 )
 
 data class DriverAppSettingsDto(
diff --git a/app/src/main/java/pl/firmatpp/kierowca/ui/DriverApp.kt b/app/src/main/java/pl/firmatpp/kierowca/ui/DriverApp.kt
index 3b46603..6556413 100644
--- a/app/src/main/java/pl/firmatpp/kierowca/ui/DriverApp.kt
+++ b/app/src/main/java/pl/firmatpp/kierowca/ui/DriverApp.kt
@@ -74,6 +74,7 @@ import androidx.compose.material.icons.outlined.Navigation
 import androidx.compose.material.icons.outlined.Person
 import androidx.compose.material.icons.outlined.Phone
 import androidx.compose.material.icons.outlined.Refresh
+import androidx.compose.material.icons.outlined.SystemUpdate
 import androidx.compose.material.ExperimentalMaterialApi
 import androidx.compose.material.pullrefresh.PullRefreshIndicator
 import androidx.compose.material.pullrefresh.pullRefresh
@@ -149,6 +150,7 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.distinctUntilChanged
 import java.util.Locale
 import pl.firmatpp.kierowca.R
+import pl.firmatpp.kierowca.BuildConfig
 import pl.firmatpp.kierowca.data.PhotoUploadMetadata
 import pl.firmatpp.kierowca.data.model.DispatchSheetReminderDto
 import pl.firmatpp.kierowca.data.model.DriverLeaveCalendarEntryDto
@@ -169,6 +171,7 @@ import pl.firmatpp.kierowca.domain.RouteDisplayMapper
 import pl.firmatpp.kierowca.domain.StartupSessionPolicy
 import pl.firmatpp.kierowca.ui.theme.AppThemeMode
 import pl.firmatpp.kierowca.ui.theme.TppTheme
+import pl.firmatpp.kierowca.update.PlayAppUpdateState
 
 @Composable
 fun DriverApp(
@@ -176,8 +179,27 @@ fun DriverApp(
     initialRouteId: String? = null,
     initialRouteTarget: String? = null,
     initialLeaveRequestId: String? = null,
+    playAppUpdateState: PlayAppUpdateState = PlayAppUpdateState(),
+    onStartAppUpdate: (required: Boolean, playStoreUrl: String?) -> Unit = { _, _ -> },
+    onCompleteAppUpdate: () -> Unit = {},
 ) {
     val state by viewModel.state.collectAsState()
+    val updateUi = appUpdateBannerUi(
+        currentVersionCode = BuildConfig.VERSION_CODE,
+        latestVersionCode = state.appUpdate?.latestVersionCode,
+        latestVersionName = state.appUpdate?.latestVersionName,
+        minimumSupportedVersionCode = state.appUpdate?.minimumSupportedVersionCode ?: 0,
+        playUpdateAvailable = playAppUpdateState.updateAvailable,
+        playAvailableVersionCode = playAppUpdateState.availableVersionCode,
+        updateDownloaded = playAppUpdateState.downloaded,
+    )
+    val runUpdate = {
+        if (updateUi?.downloaded == true) {
+            onCompleteAppUpdate()
+        } else {
+            onStartAppUpdate(updateUi?.required == true, state.appUpdate?.playStoreUrl)
+        }
+    }
     val lifecycleOwner = LocalLifecycleOwner.current
     val context = LocalContext.current
     var appInForeground by remember { mutableStateOf(true) }
@@ -399,6 +421,80 @@ fun DriverApp(
                 CircularProgressIndicator(color = TppTheme.colors.forest)
             }
         }
+
+        if (updateUi != null && !updateUi.required) {
+            AppUpdateBanner(
+                update = updateUi,
+                onUpdate = runUpdate,
+                modifier = Modifier
+                    .align(Alignment.TopCenter)
+                    .statusBarsPadding()
+                    .padding(horizontal = 12.dp, vertical = 8.dp),
+            )
+        }
+    }
+
+    if (updateUi?.required == true) {
+        AlertDialog(
+            onDismissRequest = {},
+            title = {
+                Text(
+                    "Wymagana aktualizacja",
+                    color = TppTheme.colors.ink,
+                    fontWeight = FontWeight.Bold,
+                )
+            },
+            text = { Text(updateUi.message, color = TppTheme.colors.muted) },
+            confirmButton = {
+                Button(
+                    onClick = runUpdate,
+                    colors = ButtonDefaults.buttonColors(containerColor = TppTheme.colors.forest),
+                ) {
+                    Text(updateUi.actionLabel, color = Color.White, fontWeight = FontWeight.Bold)
+                }
+            },
+        )
+    }
+}
+
+@Composable
+private fun AppUpdateBanner(
+    update: AppUpdateBannerUi,
+    onUpdate: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    Card(
+        colors = CardDefaults.cardColors(containerColor = TppTheme.colors.warningContainer),
+        border = BorderStroke(1.dp, TppTheme.colors.warningOutline),
+        shape = MaterialTheme.shapes.medium,
+        modifier = modifier.fillMaxWidth(),
+    ) {
+        Row(
+            Modifier.fillMaxWidth().padding(14.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(12.dp),
+        ) {
+            Box(
+                Modifier.size(40.dp).background(Color.White, RoundedCornerShape(6.dp)),
+                contentAlignment = Alignment.Center,
+            ) {
+                Icon(Icons.Outlined.SystemUpdate, contentDescription = null, tint = TppTheme.colors.forest)
+            }
+            Text(
+                update.message,
+                color = Color(0xFF5F4200),
+                fontWeight = FontWeight.Bold,
+                modifier = Modifier.weight(1f),
+            )
+            Button(
+                onClick = onUpdate,
+                colors = ButtonDefaults.buttonColors(containerColor = TppTheme.colors.forest),
+                shape = MaterialTheme.shapes.small,
+                contentPadding = PaddingValues(horizontal = 14.dp, vertical = 10.dp),
+            ) {
+                Text(update.actionLabel, color = Color.White, fontWeight = FontWeight.Bold)
+            }
+        }
     }
 }
 
diff --git a/app/src/main/java/pl/firmatpp/kierowca/ui/DriverUiRules.kt b/app/src/main/java/pl/firmatpp/kierowca/ui/DriverUiRules.kt
index 619bdba..5b78cdd 100644
--- a/app/src/main/java/pl/firmatpp/kierowca/ui/DriverUiRules.kt
+++ b/app/src/main/java/pl/firmatpp/kierowca/ui/DriverUiRules.kt
@@ -32,6 +32,48 @@ data class NavigationIntentCandidate(
     val packageName: String? = null,
 )
 
+data class AppUpdateBannerUi(
+    val message: String,
+    val actionLabel: String,
+    val required: Boolean,
+    val downloaded: Boolean,
+)
+
+fun appUpdateBannerUi(
+    currentVersionCode: Int,
+    latestVersionCode: Int?,
+    latestVersionName: String?,
+    minimumSupportedVersionCode: Int,
+    playUpdateAvailable: Boolean,
+    playAvailableVersionCode: Int?,
+    updateDownloaded: Boolean,
+): AppUpdateBannerUi? {
+    val highestAvailableVersion = listOfNotNull(latestVersionCode, playAvailableVersionCode).maxOrNull()
+    val required = minimumSupportedVersionCode > 0 && currentVersionCode < minimumSupportedVersionCode
+    val available = updateDownloaded ||
+        playUpdateAvailable ||
+        highestAvailableVersion?.let { it > currentVersionCode } == true ||
+        required
+    if (!available) return null
+
+    val versionLabel = latestVersionName
+        ?.takeIf { it.isNotBlank() }
+        ?.let { " $it" }
+        .orEmpty()
+    val message = when {
+        updateDownloaded -> "Aktualizacja$versionLabel jest pobrana i gotowa do instalacji."
+        required -> "Ta wersja aplikacji nie jest już obsługiwana. Zaktualizuj ją, aby kontynuować."
+        else -> "Dostępna jest nowa wersja aplikacji$versionLabel."
+    }
+
+    return AppUpdateBannerUi(
+        message = message,
+        actionLabel = if (updateDownloaded) "Zainstaluj" else "Aktualizuj",
+        required = required,
+        downloaded = updateDownloaded,
+    )
+}
+
 fun hasValidNavigationCoordinates(latitude: Double?, longitude: Double?): Boolean =
     latitude != null &&
         longitude != null &&
diff --git a/app/src/main/java/pl/firmatpp/kierowca/ui/DriverViewModel.kt b/app/src/main/java/pl/firmatpp/kierowca/ui/DriverViewModel.kt
index 22f8548..5b2f305 100644
--- a/app/src/main/java/pl/firmatpp/kierowca/ui/DriverViewModel.kt
+++ b/app/src/main/java/pl/firmatpp/kierowca/ui/DriverViewModel.kt
@@ -24,6 +24,7 @@ import pl.firmatpp.kierowca.data.sync.DriverSyncRepository
 import pl.firmatpp.kierowca.data.sync.NetworkMonitor
 import pl.firmatpp.kierowca.data.sync.StartupOfflineFallbackLoader
 import pl.firmatpp.kierowca.data.model.DispatchSheetReminderDto
+import pl.firmatpp.kierowca.data.model.AppUpdateDto
 import pl.firmatpp.kierowca.data.model.DriverDto
 import pl.firmatpp.kierowca.data.model.DriverLeaveCalendarEntryDto
 import pl.firmatpp.kierowca.data.model.DriverLeaveRequestDto
@@ -92,6 +93,7 @@ data class DriverUiState(
     val photoUploads: List<PhotoUploadEntity> = emptyList(),
     val queuedPhotoUploads: List<PhotoUploadEntity> = emptyList(),
     val dispatchSheetReminder: DispatchSheetReminderDto? = null,
+    val appUpdate: AppUpdateDto? = null,
     val dispatchSheetUploads: List<DispatchSheetUploadEntity> = emptyList(),
     val leaveRequestsConfig: LeaveRequestsConfig? = null,
     val leaveRequests: List<DriverLeaveRequestDto> = emptyList(),
@@ -422,6 +424,7 @@ class DriverViewModel(application: Application) : AndroidViewModel(application)
                         driver = response.session.driver,
                         routes = response.routes.today,
                         dispatchSheetReminder = response.dispatchSheetReminder,
+                        appUpdate = response.appUpdate ?: it.appUpdate,
                         selectedDate = settings?.selectedDate ?: date ?: it.selectedDate,
                         minRouteDate = settings?.minDate ?: it.minRouteDate,
                         maxRouteDate = settings?.maxDate ?: it.maxRouteDate,
diff --git a/app/src/main/java/pl/firmatpp/kierowca/update/PlayInAppUpdateController.kt b/app/src/main/java/pl/firmatpp/kierowca/update/PlayInAppUpdateController.kt
new file mode 100644
index 0000000..0546163
--- /dev/null
+++ b/app/src/main/java/pl/firmatpp/kierowca/update/PlayInAppUpdateController.kt
@@ -0,0 +1,146 @@
+package pl.firmatpp.kierowca.update
+
+import android.app.Activity
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.net.Uri
+import androidx.activity.ComponentActivity
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.IntentSenderRequest
+import com.google.android.play.core.appupdate.AppUpdateInfo
+import com.google.android.play.core.appupdate.AppUpdateManager
+import com.google.android.play.core.appupdate.AppUpdateManagerFactory
+import com.google.android.play.core.appupdate.AppUpdateOptions
+import com.google.android.play.core.install.InstallStateUpdatedListener
+import com.google.android.play.core.install.model.AppUpdateType
+import com.google.android.play.core.install.model.InstallStatus
+import com.google.android.play.core.install.model.UpdateAvailability
+
+data class PlayAppUpdateState(
+    val updateAvailable: Boolean = false,
+    val availableVersionCode: Int? = null,
+    val downloaded: Boolean = false,
+    val checking: Boolean = false,
+)
+
+class PlayInAppUpdateController(
+    private val activity: ComponentActivity,
+    private val launcher: ActivityResultLauncher<IntentSenderRequest>,
+    private val onStateChanged: (PlayAppUpdateState) -> Unit,
+    private val appUpdateManager: AppUpdateManager = AppUpdateManagerFactory.create(activity),
+) {
+    private var state = PlayAppUpdateState()
+    private val installStateListener = InstallStateUpdatedListener { installState ->
+        when (installState.installStatus()) {
+            InstallStatus.DOWNLOADED -> updateState(state.copy(downloaded = true, updateAvailable = true))
+            InstallStatus.INSTALLED -> updateState(PlayAppUpdateState())
+            else -> Unit
+        }
+    }
+
+    init {
+        appUpdateManager.registerListener(installStateListener)
+    }
+
+    fun checkForUpdate() {
+        updateState(state.copy(checking = true))
+        appUpdateManager.appUpdateInfo
+            .addOnSuccessListener(::handleUpdateInfo)
+            .addOnFailureListener { updateState(state.copy(checking = false)) }
+    }
+
+    fun startUpdate(required: Boolean, playStoreUrl: String?) {
+        appUpdateManager.appUpdateInfo
+            .addOnSuccessListener { info ->
+                if (info.updateAvailability() != UpdateAvailability.UPDATE_AVAILABLE) {
+                    openPlayStore(playStoreUrl)
+                    return@addOnSuccessListener
+                }
+
+                val preferredType = if (required) AppUpdateType.IMMEDIATE else AppUpdateType.FLEXIBLE
+                val updateType = when {
+                    info.isUpdateTypeAllowed(preferredType) -> preferredType
+                    info.isUpdateTypeAllowed(AppUpdateType.FLEXIBLE) -> AppUpdateType.FLEXIBLE
+                    info.isUpdateTypeAllowed(AppUpdateType.IMMEDIATE) -> AppUpdateType.IMMEDIATE
+                    else -> null
+                }
+
+                if (updateType == null || !launchUpdate(info, updateType)) {
+                    openPlayStore(playStoreUrl)
+                }
+            }
+            .addOnFailureListener { openPlayStore(playStoreUrl) }
+    }
+
+    fun completeDownloadedUpdate() {
+        appUpdateManager.completeUpdate()
+    }
+
+    fun onUpdateFlowResult(resultCode: Int) {
+        if (resultCode != Activity.RESULT_OK) {
+            checkForUpdate()
+        }
+    }
+
+    fun dispose() {
+        appUpdateManager.unregisterListener(installStateListener)
+    }
+
+    private fun handleUpdateInfo(info: AppUpdateInfo) {
+        val downloaded = info.installStatus() == InstallStatus.DOWNLOADED
+        val available = info.updateAvailability() == UpdateAvailability.UPDATE_AVAILABLE ||
+            info.updateAvailability() == UpdateAvailability.DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS ||
+            downloaded
+
+        updateState(
+            PlayAppUpdateState(
+                updateAvailable = available,
+                availableVersionCode = info.availableVersionCode().takeIf { it > 0 },
+                downloaded = downloaded,
+                checking = false,
+            ),
+        )
+
+        if (
+            info.updateAvailability() == UpdateAvailability.DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS &&
+            info.isUpdateTypeAllowed(AppUpdateType.IMMEDIATE)
+        ) {
+            launchUpdate(info, AppUpdateType.IMMEDIATE)
+        }
+    }
+
+    private fun launchUpdate(info: AppUpdateInfo, updateType: Int): Boolean =
+        appUpdateManager.startUpdateFlowForResult(
+            info,
+            launcher,
+            AppUpdateOptions.newBuilder(updateType).build(),
+        )
+
+    private fun openPlayStore(playStoreUrl: String?) {
+        val packageName = activity.packageName
+        val candidates = listOf(
+            Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=$packageName")).setPackage("com.android.vending"),
+            Intent(
+                Intent.ACTION_VIEW,
+                Uri.parse(playStoreUrl?.takeIf { it.isNotBlank() }
+                    ?: "https://play.google.com/store/apps/details?id=$packageName"),
+            ),
+        )
+
+        for (intent in candidates) {
+            try {
+                activity.startActivity(intent)
+                return
+            } catch (_: ActivityNotFoundException) {
+                // Try the browser fallback.
+            } catch (_: SecurityException) {
+                // Try the browser fallback.
+            }
+        }
+    }
+
+    private fun updateState(next: PlayAppUpdateState) {
+        state = next
+        onStateChanged(next)
+    }
+}
diff --git a/app/src/test/java/pl/firmatpp/kierowca/ui/DriverUiRulesTest.kt b/app/src/test/java/pl/firmatpp/kierowca/ui/DriverUiRulesTest.kt
index 74cdeec..6924c1d 100644
--- a/app/src/test/java/pl/firmatpp/kierowca/ui/DriverUiRulesTest.kt
+++ b/app/src/test/java/pl/firmatpp/kierowca/ui/DriverUiRulesTest.kt
@@ -115,6 +115,75 @@ class DriverUiRulesTest {
         assertTrue(navigationIntentCandidates(null, null, "Cel").isEmpty())
     }
 
+    @Test
+    fun showsAnOptionalUpdateWhenGooglePlayOrBackendHasANewerVersion() {
+        val fromPlay = appUpdateBannerUi(
+            currentVersionCode = 113,
+            latestVersionCode = null,
+            latestVersionName = null,
+            minimumSupportedVersionCode = 0,
+            playUpdateAvailable = true,
+            playAvailableVersionCode = 114,
+            updateDownloaded = false,
+        )
+        val fromBackend = appUpdateBannerUi(
+            currentVersionCode = 113,
+            latestVersionCode = 114,
+            latestVersionName = "1.0.61",
+            minimumSupportedVersionCode = 0,
+            playUpdateAvailable = false,
+            playAvailableVersionCode = null,
+            updateDownloaded = false,
+        )
+
+        assertEquals(false, fromPlay?.required)
+        assertEquals("Aktualizuj", fromPlay?.actionLabel)
+        assertEquals("Dostępna jest nowa wersja aplikacji 1.0.61.", fromBackend?.message)
+    }
+
+    @Test
+    fun requiresAnUpdateOnlyBelowTheConfiguredMinimumVersion() {
+        val required = appUpdateBannerUi(
+            currentVersionCode = 111,
+            latestVersionCode = 114,
+            latestVersionName = "1.0.61",
+            minimumSupportedVersionCode = 112,
+            playUpdateAvailable = true,
+            playAvailableVersionCode = 114,
+            updateDownloaded = false,
+        )
+        val current = appUpdateBannerUi(
+            currentVersionCode = 114,
+            latestVersionCode = 114,
+            latestVersionName = "1.0.61",
+            minimumSupportedVersionCode = 112,
+            playUpdateAvailable = false,
+            playAvailableVersionCode = null,
+            updateDownloaded = false,
+        )
+
+        assertEquals(true, required?.required)
+        assertTrue(required?.message?.contains("nie jest już obsługiwana") == true)
+        assertEquals(null, current)
+    }
+
+    @Test
+    fun downloadedUpdateUsesInstallAction() {
+        val update = appUpdateBannerUi(
+            currentVersionCode = 113,
+            latestVersionCode = 114,
+            latestVersionName = "1.0.61",
+            minimumSupportedVersionCode = 0,
+            playUpdateAvailable = true,
+            playAvailableVersionCode = 114,
+            updateDownloaded = true,
+        )
+
+        assertEquals("Zainstaluj", update?.actionLabel)
+        assertEquals(true, update?.downloaded)
+        assertTrue(update?.message?.contains("gotowa do instalacji") == true)
+    }
+
     @Test
     fun calculatesPhotoGridRowsForTwoColumnInlineGallery() {
         assertEquals(0, inlinePhotoGridRows(0))
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1dedf13..3d951fb 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -17,6 +17,7 @@ room = "2.7.0"
 ksp = "2.1.10-1.0.31"
 playServicesAuth = "21.6.0"
 playServicesAuthApiPhone = "18.3.0"
+playAppUpdate = "2.1.0"
 junit = "4.13.2"
 firebaseBom = "33.7.0"
 googleServices = "4.4.2"
@@ -52,6 +53,8 @@ okhttp = { group = "com.squareup.okhttp3", name = "okhttp", version.ref = "okhtt
 okhttp-logging = { group = "com.squareup.okhttp3", name = "logging-interceptor", version.ref = "okhttp" }
 play-services-auth = { group = "com.google.android.gms", name = "play-services-auth", version.ref = "playServicesAuth" }
 play-services-auth-api-phone = { group = "com.google.android.gms", name = "play-services-auth-api-phone", version.ref = "playServicesAuthApiPhone" }
+play-app-update = { group = "com.google.android.play", name = "app-update", version.ref = "playAppUpdate" }
+play-app-update-ktx = { group = "com.google.android.play", name = "app-update-ktx", version.ref = "playAppUpdate" }
 retrofit = { group = "com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit" }
 retrofit-gson = { group = "com.squareup.retrofit2", name = "converter-gson", version.ref = "retrofit" }
 firebase-bom = { group = "com.google.firebase", name = "firebase-bom", version.ref = "firebaseBom" }