diff --git a/app/build.gradle b/app/build.gradle
index 7635b8c1..76b01ea8 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -82,9 +82,6 @@ android {
     defaultConfig {
         vectorDrawables.useSupportLibrary = true
     }
-    lintOptions {
-        checkReleaseBuilds = false
-    }
     buildFeatures {
         dataBinding = true
         viewBinding = true
@@ -98,7 +95,9 @@ android {
         jvmTarget = "1.8"
     }
     packagingOptions {
-        exclude 'META-INF/library-core_release.kotlin_module'
+        resources {
+            excludes += ['META-INF/library-core_release.kotlin_module']
+        }
     }
     externalNativeBuild {
         cmake {
@@ -106,6 +105,9 @@ android {
             version "3.10.2"
         }
     }
+    lint {
+        checkReleaseBuilds false
+    }
 }
 
 tasks.whenTaskAdded { task ->
@@ -143,25 +145,25 @@ dependencies {
     coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:1.1.5"
 
     // Android Jetpack
-    implementation "androidx.appcompat:appcompat:1.3.1"
+    implementation "androidx.appcompat:appcompat:1.5.1"
     implementation "androidx.cardview:cardview:1.0.0"
-    implementation "androidx.constraintlayout:constraintlayout:2.1.1"
-    implementation "androidx.core:core-ktx:1.6.0"
-    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.3.1"
-    implementation "androidx.navigation:navigation-fragment-ktx:2.3.5"
+    implementation "androidx.constraintlayout:constraintlayout:2.1.4"
+    implementation "androidx.core:core-ktx:1.9.0"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.5.1"
+    implementation "androidx.navigation:navigation-fragment-ktx:2.5.2"
     implementation "androidx.recyclerview:recyclerview:1.2.1"
-    implementation "androidx.room:room-runtime:2.3.0"
-    implementation "androidx.work:work-runtime-ktx:2.6.0"
-    kapt "androidx.room:room-compiler:2.3.0"
+    implementation "androidx.room:room-runtime:2.4.3"
+    implementation "androidx.work:work-runtime-ktx:2.7.1"
+    kapt "androidx.room:room-compiler:2.4.3"
 
     // Google design libs
-    implementation "com.google.android.material:material:1.4.0"
+    implementation "com.google.android.material:material:1.6.1"
     implementation "com.google.android.flexbox:flexbox:3.0.0"
 
     // Play Services/Firebase
     implementation "com.google.android.gms:play-services-wearable:17.1.0"
-    implementation "com.google.firebase:firebase-core:19.0.2"
-    implementation "com.google.firebase:firebase-crashlytics:18.2.3"
+    implementation("com.google.firebase:firebase-core") { version { strictly "19.0.2" } }
+    implementation "com.google.firebase:firebase-crashlytics:18.2.13"
     implementation("com.google.firebase:firebase-messaging") { version { strictly "20.1.3" } }
 
     // OkHttp, Retrofit, Gson, Jsoup
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c710c6b8..2635faf7 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -43,6 +43,7 @@
             android:configChanges="orientation|screenSize"
             android:label="@string/app_name"
             android:launchMode="singleTop"
+            android:exported="true"
             android:theme="@style/SplashTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -66,6 +67,7 @@
             android:configChanges="orientation|keyboardHidden"
             android:excludeFromRecents="true"
             android:noHistory="true"
+            android:exported="true"
             android:theme="@style/AppTheme.Dark.NoDisplay">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
@@ -73,7 +75,8 @@
         </activity>
         <!-- TIMETABLE -->
         <receiver android:name=".ui.widgets.timetable.WidgetTimetableProvider"
-            android:label="@string/widget_timetable_title">
+            android:label="@string/widget_timetable_title"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
             </intent-filter>
@@ -88,10 +91,12 @@
             android:configChanges="orientation|keyboardHidden"
             android:excludeFromRecents="true"
             android:noHistory="true"
+            android:exported="true"
             android:theme="@style/AppTheme.Dark.NoDisplay" />
         <!-- NOTIFICATIONS -->
         <receiver android:name=".ui.widgets.notifications.WidgetNotificationsProvider"
-            android:label="@string/widget_notifications_title">
+            android:label="@string/widget_notifications_title"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
             </intent-filter>
@@ -104,7 +109,8 @@
             android:permission="android.permission.BIND_REMOTEVIEWS" />
         <!-- LUCKY NUMBER -->
         <receiver android:name=".ui.widgets.luckynumber.WidgetLuckyNumberProvider"
-            android:label="@string/widget_lucky_number_title">
+            android:label="@string/widget_lucky_number_title"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
             </intent-filter>
@@ -124,29 +130,36 @@
         <activity android:name=".ui.base.CrashActivity"
             android:configChanges="orientation|screenSize|keyboardHidden"
             android:process=":error_activity"
+            android:exported="false"
             android:theme="@style/DeadTheme" />
         <activity android:name=".ui.intro.ChangelogIntroActivity"
             android:configChanges="orientation|keyboardHidden"
             android:label="@string/app_name"
+            android:exported="false"
             android:theme="@style/Theme.Intro" />
         <activity android:name=".ui.login.LoginActivity"
             android:configChanges="orientation|screenSize"
             android:launchMode="singleTop"
+            android:exported="false"
             android:theme="@style/AppTheme.Light" />
         <activity android:name=".ui.home.CounterActivity"
+            android:exported="false"
             android:theme="@style/AppTheme.Black" />
         <activity android:name=".ui.feedback.FeedbackActivity"
             android:configChanges="orientation|screenSize|keyboardHidden"
             android:label="@string/app_name"
+            android:exported="false"
             android:theme="@style/AppTheme" />
         <activity android:name=".ui.settings.SettingsLicenseActivity"
             android:configChanges="orientation|keyboardHidden"
+            android:exported="false"
             android:theme="@style/AppTheme" />
         <activity android:name="com.canhub.cropper.CropImageActivity"
             android:configChanges="orientation|keyboardHidden"
+            android:exported="false"
             android:theme="@style/Base.Theme.AppCompat" />
-        <activity android:name=".ui.base.BuildInvalidActivity" />
-        <activity android:name=".ui.settings.contributors.ContributorsActivity" />
+        <activity android:name=".ui.base.BuildInvalidActivity" android:exported="false" />
+        <activity android:name=".ui.settings.contributors.ContributorsActivity" android:exported="false" />
 
         <!--  _____               _
              |  __ \             (_)
@@ -156,12 +169,14 @@
              |_|  \_\___|\___\___|_| \_/ \___|_|  |___/
         -->
         <receiver android:name=".receivers.UserPresentReceiver"
-            android:enabled="true">
+            android:enabled="true"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.USER_PRESENT" />
             </intent-filter>
         </receiver>
-        <receiver android:name=".sync.UpdateDownloaderService$DownloadProgressReceiver">
+        <receiver android:name=".sync.UpdateDownloaderService$DownloadProgressReceiver"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.DOWNLOAD_COMPLETE" />
             </intent-filter>
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/db/dao/EventDao.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/db/dao/EventDao.kt
index 5c64613e..24e58d02 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/db/dao/EventDao.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/db/dao/EventDao.kt
@@ -109,7 +109,7 @@ abstract class EventDao : BaseDao<Event, EventFull> {
     abstract fun removeNotManual(profileId: Int)*/
 
     @RawQuery
-    abstract fun dontKeepFuture(query: SupportSQLiteQuery?): Long
+    abstract fun dontKeepFuture(query: SupportSQLiteQuery): Long
 
     @Transaction
     open fun dontKeepFuture(profileId: Int, todayDate: Date, filter: String) {
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/home/HomeFragment.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/home/HomeFragment.kt
index 78ac63e7..54f94433 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/home/HomeFragment.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/home/HomeFragment.kt
@@ -198,7 +198,7 @@ class HomeFragment : Fragment(), CoroutineScope {
                         }
                     }
 
-                    override fun performAccessibilityAction(host: View, action: Int, args: Bundle): Boolean {
+                    override fun performAccessibilityAction(host: View, action: Int, args: Bundle?): Boolean {
                         val fromPosition: Int = b.list.getChildLayoutPosition(host)
                         if (action == R.id.move_card_down_action) {
                             swapCards(fromPosition, fromPosition + 1, adapter)
diff --git a/build.gradle b/build.gradle
index b1416494..c259c51b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 
 buildscript {
     ext {
-        kotlin_version = '1.5.30'
+        kotlin_version = '1.6.10'
 
         release = [
                 versionName: "4.11.6",
@@ -10,9 +10,9 @@ buildscript {
         ]
 
         setup = [
-                compileSdk: 30,
+                compileSdk: 33,
                 minSdk    : 16,
-                targetSdk : 30
+                targetSdk : 33
         ]
     }
 
@@ -21,10 +21,10 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.3'
+        classpath 'com.android.tools.build:gradle:7.2.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.google.gms:google-services:4.3.10'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.1'
+        classpath 'com.google.gms:google-services:4.3.13'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.1'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 4c24d72f..e004eb08 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Wed Feb 17 14:04:38 CET 2021
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME