diff --git a/app/build.gradle b/app/build.gradle
index 183c0172..663cbda2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,8 +12,8 @@ android {
         applicationId = "info.dvkr.screenstream"
         minSdkVersion(21)
         targetSdkVersion(30)
-        versionCode = 30602
-        versionName = "3.6.2"
+        versionCode = 30603
+        versionName = "3.6.3"
         resConfigs("en", "ru", "pt-rBR", "zh-rTW", "fr-rFR", "fa", "it", "pl", "hi", "de", "sk", "es", "ar", "ja", "gl", "ca")
 
         vectorDrawables.useSupportLibrary = true
@@ -78,10 +78,11 @@ dependencies {
 
     implementation(project(":data"))
 
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.3")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.3")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0")
 
-    implementation("androidx.core:core-ktx:1.5.0-rc01")
+    implementation("androidx.core:core-ktx:1.5.0-rc02")
+    implementation("androidx.activity:activity-ktx:1.2.3")
     implementation("androidx.fragment:fragment-ktx:1.3.3")
     implementation("androidx.appcompat:appcompat:1.3.0-rc01")
     implementation("androidx.constraintlayout:constraintlayout:2.0.4")
@@ -103,7 +104,7 @@ dependencies {
 
     implementation("io.insert-koin:koin-android:3.0.1")
     implementation("com.github.iamironz:binaryprefs:1.0.1")
-    implementation("com.elvishew:xlog:1.8.0")
+    implementation("com.elvishew:xlog:1.9.0")
 
     firebaseImplementation("com.google.android.play:core:1.10.0")
     firebaseImplementation("com.google.android.play:core-ktx:1.8.1") {
@@ -112,8 +113,8 @@ dependencies {
         exclude group: "androidx.fragment"
         exclude group: "androidx.core"
     }
-    firebaseReleaseImplementation("com.google.firebase:firebase-analytics:18.0.3")
-    firebaseReleaseImplementation("com.google.firebase:firebase-crashlytics:17.4.1")
+    firebaseReleaseImplementation("com.google.firebase:firebase-analytics:19.0.0")
+    firebaseReleaseImplementation("com.google.firebase:firebase-crashlytics:18.0.0")
 
     debugImplementation("com.squareup.leakcanary:leakcanary-android:2.7")
 }
diff --git a/build.gradle b/build.gradle
index 9d9a95c7..1a6fcf62 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,20 +1,21 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath("com.android.tools.build:gradle:4.1.3")
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.32")
-        classpath("com.google.gms:google-services:4.3.5")
-        classpath("com.google.firebase:firebase-crashlytics-gradle:2.5.2")
+        classpath("com.android.tools.build:gradle:4.2.1")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.0")
+        classpath("com.google.gms:google-services:4.3.8")
+        classpath("com.google.firebase:firebase-crashlytics-gradle:2.6.1")
     }
 }
 
 allprojects {
     repositories {
         google()
+        mavenCentral()
         jcenter()
         maven { url = uri("https://jitpack.io") }
     }
diff --git a/data/build.gradle b/data/build.gradle
index 83f2bad8..de4e551e 100644
--- a/data/build.gradle
+++ b/data/build.gradle
@@ -8,8 +8,8 @@ android {
     defaultConfig {
         minSdkVersion(21)
         targetSdkVersion(30)
-        versionCode = 30602
-        versionName = "3.6.2"
+        versionCode = 30603
+        versionName = "3.6.3"
     }
 
     compileOptions {
@@ -27,12 +27,13 @@ android {
 }
 
 dependencies {
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.3")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0")
+    implementation("org.jetbrains.kotlin:kotlin-reflect:1.5.0")
 
-    implementation("androidx.core:core:1.5.0-rc01")
+    implementation("androidx.core:core:1.5.0-rc02")
 
-    implementation("io.ktor:ktor-server-cio:1.5.3")
+    implementation("io.ktor:ktor-server-cio:1.5.4")
 
     implementation("com.github.iamironz:binaryprefs:1.0.1")
-    implementation("com.elvishew:xlog:1.8.0")
+    implementation("com.elvishew:xlog:1.9.0")
 }
\ No newline at end of file
diff --git a/data/src/main/kotlin/info/dvkr/screenstream/data/httpserver/HttpServer.kt b/data/src/main/kotlin/info/dvkr/screenstream/data/httpserver/HttpServer.kt
index 26dbe710..683efd0f 100644
--- a/data/src/main/kotlin/info/dvkr/screenstream/data/httpserver/HttpServer.kt
+++ b/data/src/main/kotlin/info/dvkr/screenstream/data/httpserver/HttpServer.kt
@@ -53,9 +53,11 @@ internal class HttpServer(
     private val httpServerFiles: HttpServerFiles = HttpServerFiles(applicationContext, settingsReadOnly)
     private val clientData: ClientData = ClientData(settingsReadOnly) { sendEvent(it) }
     private val stopDeferred: AtomicReference<CompletableDeferred<Unit>?> = AtomicReference(null)
-    private val blockedJPEG: ByteArray = ByteArrayOutputStream().apply {
-        addressBlockedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, this)
-    }.toByteArray()
+    private val blockedJPEG: ByteArray by lazy {
+        ByteArrayOutputStream().apply {
+            addressBlockedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, this)
+        }.toByteArray()
+    }
 
     private var ktorServer: CIOApplicationEngine? = null
 
@@ -67,9 +69,7 @@ internal class HttpServer(
         XLog.d(getLog("startServer"))
 
         val coroutineExceptionHandler = CoroutineExceptionHandler { _, throwable ->
-            if (throwable is IOException) return@CoroutineExceptionHandler
-            XLog.e(getLog("onCoroutineException >>>"))
-            XLog.e(getLog("onCoroutineException"), throwable)
+            XLog.e(getLog("onCoroutineException", throwable.toString()))
             sendEvent(Event.Error(FatalError.HttpServerException))
             ktorServer?.stop(250, 250)
             ktorServer = null
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index f3d88b1c..f6b961fd 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 8db0d0d9..19869d66 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip