diff --git a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
index 5f592078d..a58a9804e 100644
--- a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
+++ b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
@@ -16,6 +16,7 @@ import io.github.wulkanowy.BuildConfig.CRASHLYTICS_ENABLED
 import io.github.wulkanowy.BuildConfig.DEBUG
 import io.github.wulkanowy.di.DaggerAppComponent
 import io.github.wulkanowy.services.sync.SyncWorkerFactory
+import io.github.wulkanowy.utils.ActivityLifecycleLogger
 import io.github.wulkanowy.utils.CrashlyticsTree
 import io.github.wulkanowy.utils.DebugLogTree
 import io.reactivex.exceptions.UndeliverableException
@@ -51,6 +52,7 @@ class WulkanowyApp : DaggerApplication() {
         } else {
             Timber.plant(CrashlyticsTree())
         }
+        registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
     }
 
     private fun initCrashlytics() {
diff --git a/app/src/main/java/io/github/wulkanowy/di/AppModule.kt b/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
index b8e1249e6..da1d8f7a8 100644
--- a/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
@@ -9,7 +9,6 @@ import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.BuildConfig.DEBUG
 import io.github.wulkanowy.WulkanowyApp
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
 import io.github.wulkanowy.utils.SchedulersProvider
 import javax.inject.Named
 import javax.inject.Singleton
@@ -30,7 +29,7 @@ internal class AppModule {
 
     @Singleton
     @Provides
-    fun provideFirebaseAnalyticsHelper(context: Context) = FirebaseAnalyticsHelper(FirebaseAnalytics.getInstance(context))
+    fun provideFirebaseAnalytics(context: Context) = FirebaseAnalytics.getInstance(context)
 
     @Singleton
     @Provides
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
index 64c804a24..7fedac6b8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
@@ -11,6 +11,7 @@ import dagger.android.AndroidInjection
 import dagger.android.DispatchingAndroidInjector
 import dagger.android.support.HasSupportFragmentInjector
 import io.github.wulkanowy.R
+import io.github.wulkanowy.utils.FragmentLifecycleLogger
 import javax.inject.Inject
 
 abstract class BaseActivity : AppCompatActivity(), BaseView, HasSupportFragmentInjector {
@@ -18,6 +19,9 @@ abstract class BaseActivity : AppCompatActivity(), BaseView, HasSupportFragmentI
     @Inject
     lateinit var supportFragmentInjector: DispatchingAndroidInjector<Fragment>
 
+    @Inject
+    lateinit var fragmentLifecycleLogger: FragmentLifecycleLogger
+
     @Inject
     lateinit var themeManager: ThemeManager
 
@@ -27,6 +31,7 @@ abstract class BaseActivity : AppCompatActivity(), BaseView, HasSupportFragmentI
         AndroidInjection.inject(this)
         themeManager.applyTheme(this)
         super.onCreate(savedInstanceState)
+        supportFragmentManager.registerFragmentLifecycleCallbacks(fragmentLifecycleLogger, true)
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt
index 52caf731e..6815b45f2 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt
@@ -44,7 +44,7 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
                 .withFields(R.string::class.java.fields)
                 .withCheckCachedDetection(false)
                 .withExcludedLibraries("fastadapter", "AndroidIconics", "Jsoup", "Retrofit", "okio",
-                    "OkHttp", "Butterknife", "CircleImageView")
+                    "Butterknife", "CircleImageView")
                 .withOnExtraListener { presenter.onExtraSelect(it) })
         }.let {
             fragmentCompat.onCreateView(inflater.context, inflater, container, savedInstanceState, it)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
index 116dbef35..0b6db107c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
@@ -17,7 +17,7 @@ class AboutPresenter @Inject constructor(
 
     override fun onAttachView(view: AboutView) {
         super.onAttachView(view)
-        Timber.i("About view is attached")
+        Timber.i("About view was initialized")
     }
 
     fun onExtraSelect(type: Libs.SpecialButton?) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
index 0fc6cc45c..7f41699fe 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
@@ -19,8 +19,8 @@ class AccountPresenter @Inject constructor(
 
     override fun onAttachView(view: AccountView) {
         super.onAttachView(view)
-        Timber.i("Account dialog is attached")
         view.initView()
+        Timber.i("Account dialog view was initialized")
         loadData()
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
index ec471c16a..ec3d57e34 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
@@ -37,8 +37,8 @@ class AttendancePresenter @Inject constructor(
 
     fun onAttachView(view: AttendanceView, date: Long?) {
         super.onAttachView(view)
-        Timber.i("Attendance view is attached")
         view.initView()
+        Timber.i("Attendance view was initialized")
         loadData(ofEpochDay(date ?: now().previousOrSameSchoolDay.toEpochDay()))
         reloadView()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
index 8b17f7437..09ad8980f 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
@@ -35,8 +35,8 @@ class AttendanceSummaryPresenter @Inject constructor(
 
     fun onAttachView(view: AttendanceSummaryView, subjectId: Int?) {
         super.onAttachView(view)
-        Timber.i("Attendance summary view is attached with subject id ${subjectId ?: -1}")
         view.initView()
+        Timber.i("Attendance summary view was initialized with subject id ${subjectId ?: -1}")
         loadData(subjectId ?: -1)
         loadSubjects()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
index 4b6ef298b..a18f7b2a4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
@@ -36,8 +36,8 @@ class ExamPresenter @Inject constructor(
 
     fun onAttachView(view: ExamView, date: Long?) {
         super.onAttachView(view)
-        Timber.i("Exam view is attached")
         view.initView()
+        Timber.i("Exam view was initialized")
         loadData(ofEpochDay(date ?: now().nextOrSameSchoolDay.toEpochDay()))
         reloadView()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
index 2357e0637..6a8d4d580 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
@@ -27,12 +27,12 @@ class GradePresenter @Inject constructor(
 
     fun onAttachView(view: GradeView, savedIndex: Int?) {
         super.onAttachView(view)
-        Timber.i("Grade view is attached")
         selectedIndex = savedIndex ?: 0
         view.run {
             initView()
             enableSwipe(false)
         }
+        Timber.i("Grade view was initialized with $selectedIndex index")
         loadData()
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
index 739d44947..de85d8d11 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
@@ -34,8 +34,8 @@ class HomeworkPresenter @Inject constructor(
 
     fun onAttachView(view: HomeworkView, date: Long?) {
         super.onAttachView(view)
-        Timber.i("Homework view is attached")
         view.initView()
+        Timber.i("Homework view was initialized")
         loadData(LocalDate.ofEpochDay(date ?: LocalDate.now().nextOrSameSchoolDay.toEpochDay()))
         reloadView()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
index fb025beea..00242a7dc 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
@@ -14,7 +14,7 @@ class LoginPresenter @Inject constructor(errorHandler: ErrorHandler) : BasePrese
             initAdapter()
             showActionBar(false)
         }
-        Timber.i("Login view is attached")
+        Timber.i("Login view was initialized")
     }
 
     fun onFormViewAccountLogged(students: List<Student>, loginData: Triple<String, String, String>) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
index 74ab0d1fe..8ef638db7 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
@@ -21,12 +21,12 @@ class LuckyNumberPresenter @Inject constructor(
 
     override fun onAttachView(view: LuckyNumberView) {
         super.onAttachView(view)
-        Timber.i("Lucky number view is attached")
         view.run {
             initView()
             showContent(false)
             enableSwipe(false)
         }
+        Timber.i("Lucky number view was initialized")
         loadData()
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
index 30f3b920f..e8d9402c5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
@@ -26,8 +26,8 @@ class MainPresenter @Inject constructor(
         super.onAttachView(view)
         view.run {
             startMenuIndex = if (initMenuIndex != -1) initMenuIndex else prefRepository.startMenuIndex
-            Timber.i("Main view is attached with $startMenuIndex menu index")
             initView()
+            Timber.i("Main view was initialized with $startMenuIndex menu index")
         }
 
         syncManager.startSyncWorker()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
index 8e7af5124..888df0400 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
@@ -16,10 +16,10 @@ class MessagePresenter @Inject constructor(
 
     override fun onAttachView(view: MessageView) {
         super.onAttachView(view)
-        Timber.i("Message view is attached")
         disposable.add(Completable.timer(150, MILLISECONDS, schedulers.mainThread)
             .subscribe {
                 view.initView()
+                Timber.i("Message view was initialized")
                 loadData()
             })
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
index 32e3d5b20..8dedaba01 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
@@ -32,7 +32,7 @@ class SendMessagePresenter @Inject constructor(
 
     fun onAttachView(view: SendMessageView, message: Message?, reply: Boolean?) {
         super.onAttachView(view)
-        Timber.i("Send message view is attached")
+        Timber.i("Send message view was initialized")
         loadData(message, reply)
         view.apply {
             message?.let {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
index 5fea241c7..a7626ec0d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
@@ -10,8 +10,8 @@ class MorePresenter @Inject constructor(errorHandler: ErrorHandler) : BasePresen
 
     override fun onAttachView(view: MoreView) {
         super.onAttachView(view)
-        Timber.i("More view is attached")
         view.initView()
+        Timber.i("More view was initialized")
         loadData()
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
index 32e2a4adf..136a44135 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
@@ -23,8 +23,8 @@ class NotePresenter @Inject constructor(
 
     override fun onAttachView(view: NoteView) {
         super.onAttachView(view)
-        Timber.i("Note view is attached")
         view.initView()
+        Timber.i("Note view was initialized")
         loadData()
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
index 6deb0a75c..c25198d56 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
@@ -21,7 +21,7 @@ class SettingsPresenter @Inject constructor(
 
     override fun onAttachView(view: SettingsView) {
         super.onAttachView(view)
-        Timber.i("Settings view is attached")
+        Timber.i("Settings view was initialized")
         view.setServicesSuspended(preferencesRepository.serviceEnableKey, now().isHolidays)
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
index ebda3931a..5b837f076 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
@@ -35,8 +35,8 @@ class TimetablePresenter @Inject constructor(
 
     fun onAttachView(view: TimetableView, date: Long?) {
         super.onAttachView(view)
-        Timber.i("Timetable is attached")
         view.initView()
+        Timber.i("Timetable was initialized")
         loadData(ofEpochDay(date ?: now().nextOrSameSchoolDay.toEpochDay()))
         reloadView()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt b/app/src/main/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
index feb33e5d7..e7ac9c99f 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
@@ -2,10 +2,11 @@ package io.github.wulkanowy.utils
 
 import android.os.Bundle
 import com.google.firebase.analytics.FirebaseAnalytics
+import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class FirebaseAnalyticsHelper(private val analytics: FirebaseAnalytics) {
+class FirebaseAnalyticsHelper @Inject constructor(private val analytics: FirebaseAnalytics) {
 
     fun logEvent(name: String, vararg params: Pair<String, Any?>) {
         Bundle().apply {
diff --git a/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt b/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
index 565374130..5a6cc2bfd 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
@@ -1,7 +1,16 @@
 package io.github.wulkanowy.utils
 
+import android.app.Activity
+import android.app.Application
+import android.content.Context
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
 import com.crashlytics.android.Crashlytics
 import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
 
 class DebugLogTree : Timber.DebugTree() {
 
@@ -20,3 +29,88 @@ class CrashlyticsTree : Timber.Tree() {
         else Crashlytics.logException(t)
     }
 }
+
+class ActivityLifecycleLogger : Application.ActivityLifecycleCallbacks {
+
+    override fun onActivityPaused(activity: Activity?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} PAUSED") }
+    }
+
+    override fun onActivityResumed(activity: Activity?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} RESUMED") }
+    }
+
+    override fun onActivityStarted(activity: Activity?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} STARTED") }
+    }
+
+    override fun onActivityDestroyed(activity: Activity?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} DESTROYED") }
+    }
+
+    override fun onActivitySaveInstanceState(activity: Activity?, outState: Bundle?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} SAVED INSTANCE STATE") }
+    }
+
+    override fun onActivityStopped(activity: Activity?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} STOPPED") }
+    }
+
+    override fun onActivityCreated(activity: Activity?, savedInstanceState: Bundle?) {
+        activity?.let { Timber.d("${it::class.java.simpleName} CREATED ${checkSavedState(savedInstanceState)}") }
+    }
+}
+
+@Singleton
+class FragmentLifecycleLogger @Inject constructor() : FragmentManager.FragmentLifecycleCallbacks() {
+
+    override fun onFragmentViewCreated(fm: FragmentManager, f: Fragment, v: View, savedInstanceState: Bundle?) {
+        Timber.d("${f::class.java.simpleName} VIEW CREATED ${checkSavedState(savedInstanceState)}")
+    }
+
+    override fun onFragmentStopped(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} STOPPED")
+    }
+
+    override fun onFragmentCreated(fm: FragmentManager, f: Fragment, savedInstanceState: Bundle?) {
+        Timber.d("${f::class.java.simpleName} CREATED ${checkSavedState(savedInstanceState)}")
+    }
+
+    override fun onFragmentResumed(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} RESUMED")
+    }
+
+    override fun onFragmentAttached(fm: FragmentManager, f: Fragment, context: Context) {
+        Timber.d("${f::class.java.simpleName} ATTACHED")
+    }
+
+    override fun onFragmentDestroyed(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} DESTROYED")
+    }
+
+    override fun onFragmentSaveInstanceState(fm: FragmentManager, f: Fragment, outState: Bundle) {
+        Timber.d("${f::class.java.simpleName} SAVED INSTANCE STATE")
+    }
+
+    override fun onFragmentStarted(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} STARTED")
+    }
+
+    override fun onFragmentViewDestroyed(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} VIEW DESTROYED")
+    }
+
+    override fun onFragmentActivityCreated(fm: FragmentManager, f: Fragment, savedInstanceState: Bundle?) {
+        Timber.d("${f::class.java.simpleName} ACTIVITY CREATED ${checkSavedState(savedInstanceState)}")
+    }
+
+    override fun onFragmentPaused(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} PAUSED")
+    }
+
+    override fun onFragmentDetached(fm: FragmentManager, f: Fragment) {
+        Timber.d("${f::class.java.simpleName} DETACHED")
+    }
+}
+
+private fun checkSavedState(savedInstanceState: Bundle?) = if (savedInstanceState == null) "(STATE IS NULL)" else ""
diff --git a/build.gradle b/build.gradle
index c27fe437f..ac6bde63f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.3.30'
+    ext.kotlin_version = '1.3.31'
     repositories {
         mavenCentral()
         google()