diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 42eee38..67bbef3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -30,14 +30,14 @@
         tools:targetApi="31">
 
         <service
-            android:name=".WebSocketServerService"
+            android:name=".service.WebSocketServerService"
             android:enabled="true"
             android:exported="false"
             android:foregroundServiceType="remoteMessaging">
         </service>
 
         <receiver
-            android:name=".BootBroadcastReceiver"
+            android:name=".service.BootBroadcastReceiver"
             android:enabled="true"
             android:exported="false"
             android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
diff --git a/app/src/main/java/com/greenart7c3/citrine/MainActivity.kt b/app/src/main/java/com/greenart7c3/citrine/MainActivity.kt
index 2d0dd2f..f9615a6 100644
--- a/app/src/main/java/com/greenart7c3/citrine/MainActivity.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/MainActivity.kt
@@ -30,21 +30,24 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import com.greenart7c3.citrine.service.WebSocketServerService
 import com.greenart7c3.citrine.ui.dialogs.ContactsDialog
 import com.greenart7c3.citrine.ui.theme.CitrineTheme
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
 class MainActivity : ComponentActivity() {
-    private val requestPermissionLauncher =
-        registerForActivityResult(
-            ActivityResultContracts.RequestPermission()
-        ) {
-            val intent = Intent(this, WebSocketServerService::class.java)
-            startService(intent)
-            bindService(intent, connection, Context.BIND_AUTO_CREATE)
+    @OptIn(DelicateCoroutinesApi::class)
+    private val requestPermissionLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) {
+        GlobalScope.launch(Dispatchers.IO) {
+            start()
         }
+    }
 
     private var service: WebSocketServerService? = null
     private var bound = false
@@ -64,6 +67,26 @@ class MainActivity : ComponentActivity() {
         }
     }
 
+    private suspend fun stop() {
+        isLoading.value = true
+        val intent = Intent(applicationContext, WebSocketServerService::class.java)
+        stopService(intent)
+        unbindService(connection)
+        bound = false
+        service = null
+        delay(1000)
+        isLoading.value = false
+    }
+
+    private suspend fun start() {
+        isLoading.value = true
+        val intent = Intent(applicationContext, WebSocketServerService::class.java)
+        startService(intent)
+        bindService(intent, connection, Context.BIND_AUTO_CREATE)
+        delay(1000)
+        isLoading.value = false
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -111,10 +134,10 @@ class MainActivity : ComponentActivity() {
                         if (isLoading.value) {
                             CircularProgressIndicator()
                         } else {
-                            val isStarted = service?.webSocketServer?.server != null
+                            val isStarted = service?.isStarted() ?: false
                             if (isStarted) {
                                 Text("Relay started at")
-                                Text("ws://localhost:${service?.webSocketServer?.port() ?: 0}")
+                                Text("ws://localhost:${service?.port() ?: 0}")
                                 ElevatedButton(
                                     onClick = {
                                         coroutineScope.launch(Dispatchers.IO) {
@@ -125,11 +148,7 @@ class MainActivity : ComponentActivity() {
                                         }
                                     }
                                 ) {
-                                    if (service?.webSocketServer?.server != null) {
-                                        Text("Stop")
-                                    } else {
-                                        Text("Start")
-                                    }
+                                    Text("Stop")
                                 }
                             } else {
                                 Text("Relay not running")
@@ -143,11 +162,7 @@ class MainActivity : ComponentActivity() {
                                         }
                                     }
                                 ) {
-                                    if (service?.webSocketServer?.server != null) {
-                                        Text("Stop")
-                                    } else {
-                                        Text("Start")
-                                    }
+                                    Text("Start")
                                 }
                             }
 
@@ -187,18 +202,4 @@ class MainActivity : ComponentActivity() {
         }
         super.onDestroy()
     }
-
-    private fun stop() {
-        val intent = Intent(applicationContext, WebSocketServerService::class.java)
-        stopService(intent)
-        unbindService(connection)
-        bound = false
-        service = null
-    }
-
-    private fun start() {
-        val intent = Intent(applicationContext, WebSocketServerService::class.java)
-        startService(intent)
-        bindService(intent, connection, Context.BIND_AUTO_CREATE)
-    }
 }
diff --git a/app/src/main/java/com/greenart7c3/citrine/relays/Client.kt b/app/src/main/java/com/greenart7c3/citrine/relays/Client.kt
index d6c179a..b2e811d 100644
--- a/app/src/main/java/com/greenart7c3/citrine/relays/Client.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/relays/Client.kt
@@ -21,7 +21,7 @@
 package com.greenart7c3.citrine.relays
 
 import android.util.Log
-import com.greenart7c3.citrine.checkNotInMainThread
+import com.greenart7c3.citrine.utils.checkNotInMainThread
 import com.vitorpamplona.quartz.events.Event
 import com.vitorpamplona.quartz.events.EventInterface
 import kotlinx.coroutines.DelicateCoroutinesApi
diff --git a/app/src/main/java/com/greenart7c3/citrine/relays/Relay.kt b/app/src/main/java/com/greenart7c3/citrine/relays/Relay.kt
index 81bd278..b76c745 100644
--- a/app/src/main/java/com/greenart7c3/citrine/relays/Relay.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/relays/Relay.kt
@@ -22,8 +22,8 @@ package com.greenart7c3.citrine.relays
 
 import android.util.Log
 import com.greenart7c3.citrine.BuildConfig
-import com.greenart7c3.citrine.HttpClientManager
-import com.greenart7c3.citrine.checkNotInMainThread
+import com.greenart7c3.citrine.utils.HttpClientManager
+import com.greenart7c3.citrine.utils.checkNotInMainThread
 import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.events.Event
 import com.vitorpamplona.quartz.events.EventInterface
diff --git a/app/src/main/java/com/greenart7c3/citrine/relays/RelayPool.kt b/app/src/main/java/com/greenart7c3/citrine/relays/RelayPool.kt
index 7c353e9..6415365 100644
--- a/app/src/main/java/com/greenart7c3/citrine/relays/RelayPool.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/relays/RelayPool.kt
@@ -21,7 +21,7 @@
 package com.greenart7c3.citrine.relays
 
 import androidx.compose.runtime.Immutable
-import com.greenart7c3.citrine.checkNotInMainThread
+import com.greenart7c3.citrine.utils.checkNotInMainThread
 import com.vitorpamplona.quartz.events.Event
 import com.vitorpamplona.quartz.events.EventInterface
 import kotlinx.coroutines.channels.BufferOverflow
diff --git a/app/src/main/java/com/greenart7c3/citrine/CommandResult.kt b/app/src/main/java/com/greenart7c3/citrine/server/CommandResult.kt
similarity index 82%
rename from app/src/main/java/com/greenart7c3/citrine/CommandResult.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/CommandResult.kt
index 2adafbe..5c59995 100644
--- a/app/src/main/java/com/greenart7c3/citrine/CommandResult.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/CommandResult.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.quartz.events.Event
@@ -14,6 +14,5 @@ data class CommandResult(val eventId: String, val result: Boolean, val descripti
         fun ok(event: Event) = CommandResult(event.id, true)
         fun duplicated(event: Event) = CommandResult(event.id, true, "duplicate:")
         fun invalid(event: Event, message: String) = CommandResult(event.id, false, "invalid: $message")
-        fun error(event: Event, message: String) = CommandResult(event.id, false, "error: $message")
     }
 }
diff --git a/app/src/main/java/com/greenart7c3/citrine/Connection.kt b/app/src/main/java/com/greenart7c3/citrine/server/Connection.kt
similarity index 89%
rename from app/src/main/java/com/greenart7c3/citrine/Connection.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/Connection.kt
index 3bbcd37..32c8750 100644
--- a/app/src/main/java/com/greenart7c3/citrine/Connection.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/Connection.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 import io.ktor.websocket.DefaultWebSocketSession
 import java.util.concurrent.atomic.AtomicInteger
diff --git a/app/src/main/java/com/greenart7c3/citrine/CustomWebSocketServer.kt b/app/src/main/java/com/greenart7c3/citrine/server/CustomWebSocketServer.kt
similarity index 94%
rename from app/src/main/java/com/greenart7c3/citrine/CustomWebSocketServer.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/CustomWebSocketServer.kt
index f6eea4e..aad639b 100644
--- a/app/src/main/java/com/greenart7c3/citrine/CustomWebSocketServer.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/CustomWebSocketServer.kt
@@ -1,11 +1,16 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 import android.util.Log
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.databind.JsonNode
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.greenart7c3.citrine.BuildConfig
 import com.greenart7c3.citrine.database.AppDatabase
 import com.greenart7c3.citrine.database.toEventWithTags
+import com.greenart7c3.citrine.utils.isEphemeral
+import com.greenart7c3.citrine.utils.isParameterizedReplaceable
+import com.greenart7c3.citrine.utils.shouldDelete
+import com.greenart7c3.citrine.utils.shouldOverwrite
 import com.vitorpamplona.quartz.events.Event
 import io.ktor.http.ContentType
 import io.ktor.http.HttpMethod
@@ -102,7 +107,12 @@ class CustomWebSocketServer(private val port: Int, private val appDatabase: AppD
         val event = objectMapper.treeToValue(eventNode, Event::class.java)
 
         if (!event.hasVerifiedSignature()) {
-            connection.session.send(CommandResult.invalid(event, "event signature verification failed").toJson())
+            connection.session.send(
+                CommandResult.invalid(
+                    event,
+                    "event signature verification failed"
+                ).toJson()
+            )
             return
         }
 
diff --git a/app/src/main/java/com/greenart7c3/citrine/EOSE.kt b/app/src/main/java/com/greenart7c3/citrine/server/EOSE.kt
similarity index 76%
rename from app/src/main/java/com/greenart7c3/citrine/EOSE.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/EOSE.kt
index d162217..c7bcf9c 100644
--- a/app/src/main/java/com/greenart7c3/citrine/EOSE.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/EOSE.kt
@@ -1,3 +1,5 @@
+package com.greenart7c3.citrine.server
+
 data class EOSE(val subscriptionId: String) {
     fun toJson(): String {
         return """["EOSE","$subscriptionId"]"""
diff --git a/app/src/main/java/com/greenart7c3/citrine/EventFilter.kt b/app/src/main/java/com/greenart7c3/citrine/server/EventFilter.kt
similarity index 98%
rename from app/src/main/java/com/greenart7c3/citrine/EventFilter.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/EventFilter.kt
index ab13793..45870ac 100644
--- a/app/src/main/java/com/greenart7c3/citrine/EventFilter.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/EventFilter.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 import com.vitorpamplona.quartz.events.Event
 import java.util.function.Predicate
diff --git a/app/src/main/java/com/greenart7c3/citrine/EventRepository.kt b/app/src/main/java/com/greenart7c3/citrine/server/EventRepository.kt
similarity index 98%
rename from app/src/main/java/com/greenart7c3/citrine/EventRepository.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/EventRepository.kt
index e06d98c..27b5a3c 100644
--- a/app/src/main/java/com/greenart7c3/citrine/EventRepository.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/EventRepository.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 import com.greenart7c3.citrine.database.toEvent
 import com.vitorpamplona.quartz.utils.TimeUtils
diff --git a/app/src/main/java/com/greenart7c3/citrine/EventSubscription.kt b/app/src/main/java/com/greenart7c3/citrine/server/EventSubscription.kt
similarity index 98%
rename from app/src/main/java/com/greenart7c3/citrine/EventSubscription.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/EventSubscription.kt
index 6f6400a..928da04 100644
--- a/app/src/main/java/com/greenart7c3/citrine/EventSubscription.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/EventSubscription.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 import android.util.Log
 import android.util.LruCache
diff --git a/app/src/main/java/com/greenart7c3/citrine/NoticeResult.kt b/app/src/main/java/com/greenart7c3/citrine/server/NoticeResult.kt
similarity index 85%
rename from app/src/main/java/com/greenart7c3/citrine/NoticeResult.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/NoticeResult.kt
index fe8e9d2..691937b 100644
--- a/app/src/main/java/com/greenart7c3/citrine/NoticeResult.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/NoticeResult.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
 data class NoticeResult(val message: String) {
     fun toJson(): String {
diff --git a/app/src/main/java/com/greenart7c3/citrine/SubscriptionManager.kt b/app/src/main/java/com/greenart7c3/citrine/server/SubscriptionManager.kt
similarity index 98%
rename from app/src/main/java/com/greenart7c3/citrine/SubscriptionManager.kt
rename to app/src/main/java/com/greenart7c3/citrine/server/SubscriptionManager.kt
index 976e69f..c7c5d7a 100644
--- a/app/src/main/java/com/greenart7c3/citrine/SubscriptionManager.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/server/SubscriptionManager.kt
@@ -1,6 +1,5 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.server
 
-import EOSE
 import android.util.Log
 import io.ktor.websocket.send
 import kotlinx.coroutines.CancellationException
diff --git a/app/src/main/java/com/greenart7c3/citrine/BootBroadcastReceiver.kt b/app/src/main/java/com/greenart7c3/citrine/service/BootBroadcastReceiver.kt
similarity index 91%
rename from app/src/main/java/com/greenart7c3/citrine/BootBroadcastReceiver.kt
rename to app/src/main/java/com/greenart7c3/citrine/service/BootBroadcastReceiver.kt
index 3de193f..391b68c 100644
--- a/app/src/main/java/com/greenart7c3/citrine/BootBroadcastReceiver.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/service/BootBroadcastReceiver.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.service
 
 import android.content.BroadcastReceiver
 import android.content.Context
diff --git a/app/src/main/java/com/greenart7c3/citrine/WebSocketServerService.kt b/app/src/main/java/com/greenart7c3/citrine/service/WebSocketServerService.kt
similarity index 89%
rename from app/src/main/java/com/greenart7c3/citrine/WebSocketServerService.kt
rename to app/src/main/java/com/greenart7c3/citrine/service/WebSocketServerService.kt
index b0a969d..a56da9a 100644
--- a/app/src/main/java/com/greenart7c3/citrine/WebSocketServerService.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/service/WebSocketServerService.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.service
 
 import android.annotation.SuppressLint
 import android.app.Notification
@@ -18,7 +18,11 @@ import android.os.Build
 import android.os.IBinder
 import androidx.core.app.NotificationCompat
 import androidx.core.content.ContextCompat.getSystemService
+import com.greenart7c3.citrine.MainActivity
+import com.greenart7c3.citrine.R
 import com.greenart7c3.citrine.database.AppDatabase
+import com.greenart7c3.citrine.server.CustomWebSocketServer
+import com.greenart7c3.citrine.server.EventSubscription
 
 class WebSocketServerService : Service() {
     lateinit var webSocketServer: CustomWebSocketServer
@@ -52,9 +56,8 @@ class WebSocketServerService : Service() {
         }
 
         // Start the WebSocket server
-        val port = if (BuildConfig.DEBUG) defaultPortDebug else defaultPort
         webSocketServer = CustomWebSocketServer(
-            port,
+            DEFAULT_PORT,
             AppDatabase.getDatabase(this@WebSocketServerService)
         )
         webSocketServer.start()
@@ -103,8 +106,15 @@ class WebSocketServerService : Service() {
         return notificationBuilder.build()
     }
 
+    fun isStarted(): Boolean {
+        return webSocketServer.server != null
+    }
+
+    fun port(): Int? {
+        return webSocketServer.port()
+    }
+
     companion object {
-        const val defaultPort = 4869
-        const val defaultPortDebug = 4869
+        const val DEFAULT_PORT = 4869
     }
 }
diff --git a/app/src/main/java/com/greenart7c3/citrine/ui/dialogs/ContactsDialog.kt b/app/src/main/java/com/greenart7c3/citrine/ui/dialogs/ContactsDialog.kt
index 61d4d9a..9ea9b82 100644
--- a/app/src/main/java/com/greenart7c3/citrine/ui/dialogs/ContactsDialog.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/ui/dialogs/ContactsDialog.kt
@@ -35,8 +35,8 @@ import androidx.compose.ui.window.DialogProperties
 import com.greenart7c3.citrine.database.AppDatabase
 import com.greenart7c3.citrine.database.toEvent
 import com.greenart7c3.citrine.relays.Client
-import com.greenart7c3.citrine.toDateString
 import com.greenart7c3.citrine.ui.CloseButton
+import com.greenart7c3.citrine.utils.toDateString
 import com.vitorpamplona.quartz.encoders.bechToBytes
 import com.vitorpamplona.quartz.encoders.toHexKey
 import com.vitorpamplona.quartz.events.ContactListEvent
diff --git a/app/src/main/java/com/greenart7c3/citrine/DateUtils.kt b/app/src/main/java/com/greenart7c3/citrine/utils/DateUtils.kt
similarity index 92%
rename from app/src/main/java/com/greenart7c3/citrine/DateUtils.kt
rename to app/src/main/java/com/greenart7c3/citrine/utils/DateUtils.kt
index 7b88a97..292f285 100644
--- a/app/src/main/java/com/greenart7c3/citrine/DateUtils.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/utils/DateUtils.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.utils
 
 import java.time.Instant
 import java.time.LocalDateTime
diff --git a/app/src/main/java/com/greenart7c3/citrine/Extensions.kt b/app/src/main/java/com/greenart7c3/citrine/utils/Extensions.kt
similarity index 94%
rename from app/src/main/java/com/greenart7c3/citrine/Extensions.kt
rename to app/src/main/java/com/greenart7c3/citrine/utils/Extensions.kt
index 6dfc92f..14fd325 100644
--- a/app/src/main/java/com/greenart7c3/citrine/Extensions.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/utils/Extensions.kt
@@ -1,4 +1,4 @@
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.utils
 
 import com.vitorpamplona.quartz.events.Event
 
diff --git a/app/src/main/java/com/greenart7c3/citrine/HttpClientManager.kt b/app/src/main/java/com/greenart7c3/citrine/utils/HttpClientManager.kt
similarity index 88%
rename from app/src/main/java/com/greenart7c3/citrine/HttpClientManager.kt
rename to app/src/main/java/com/greenart7c3/citrine/utils/HttpClientManager.kt
index 8015537..67e29c7 100644
--- a/app/src/main/java/com/greenart7c3/citrine/HttpClientManager.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/utils/HttpClientManager.kt
@@ -18,9 +18,10 @@
  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.utils
 
 import android.util.Log
+import com.greenart7c3.citrine.BuildConfig
 import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import okhttp3.Request
@@ -50,20 +51,20 @@ object HttpClientManager {
     fun setDefaultProxy(proxy: Proxy?) {
         if (internalProxy != proxy) {
             Log.d("HttpClient", "Changing proxy to: ${proxy != null}")
-            this.internalProxy = proxy
+            internalProxy = proxy
 
             // recreates singleton
-            this.defaultHttpClient = buildHttpClient(internalProxy, defaultTimeout)
+            defaultHttpClient = buildHttpClient(internalProxy, defaultTimeout)
         }
     }
 
     fun setDefaultTimeout(timeout: Duration) {
         Log.d("HttpClient", "Changing timeout to: $timeout")
-        if (this.defaultTimeout.seconds != timeout.seconds) {
-            this.defaultTimeout = timeout
+        if (defaultTimeout.seconds != timeout.seconds) {
+            defaultTimeout = timeout
 
             // recreates singleton
-            this.defaultHttpClient = buildHttpClient(internalProxy, defaultTimeout)
+            defaultHttpClient = buildHttpClient(internalProxy, defaultTimeout)
         }
     }
 
@@ -98,8 +99,8 @@ object HttpClientManager {
     }
 
     fun getHttpClient(): OkHttpClient {
-        if (this.defaultHttpClient == null) {
-            this.defaultHttpClient = buildHttpClient(internalProxy, defaultTimeout)
+        if (defaultHttpClient == null) {
+            defaultHttpClient = buildHttpClient(internalProxy, defaultTimeout)
         }
         return defaultHttpClient!!
     }
diff --git a/app/src/main/java/com/greenart7c3/citrine/MainThreadChecker.kt b/app/src/main/java/com/greenart7c3/citrine/utils/MainThreadChecker.kt
similarity index 94%
rename from app/src/main/java/com/greenart7c3/citrine/MainThreadChecker.kt
rename to app/src/main/java/com/greenart7c3/citrine/utils/MainThreadChecker.kt
index f87251c..a1c848a 100644
--- a/app/src/main/java/com/greenart7c3/citrine/MainThreadChecker.kt
+++ b/app/src/main/java/com/greenart7c3/citrine/utils/MainThreadChecker.kt
@@ -18,9 +18,10 @@
  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-package com.greenart7c3.citrine
+package com.greenart7c3.citrine.utils
 
 import android.os.Looper
+import com.greenart7c3.citrine.BuildConfig
 
 fun checkNotInMainThread() {
     if (BuildConfig.DEBUG && isMainThread()) {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index db3184f..feb823e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -15,7 +15,7 @@ okhttp = "5.0.0-alpha.12"
 room = "2.6.1"
 workRuntimeKtx = "2.9.0"
 material3 = "1.2.0"
-quartz = "v0.85.0"
+quartz = "v0.85.3"
 
 [libraries]
 androidx-activity-compose = { module = "androidx.activity:activity-compose", version.ref = "activityCompose" }