diff --git a/app/build.gradle b/app/build.gradle
index 02f55a7..63a48cc 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,8 +31,8 @@ dependencies {
     implementation 'commons-codec:commons-codec:1.12' // beware: a version included in Android is used instead
 
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
-    implementation 'com.android.support:design:28.0.0'
-    implementation 'android.arch.work:work-runtime:1.0.1'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.work:work-runtime:2.2.0'
 }
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/CallReceiver.java b/app/src/main/java/dummydomain/yetanothercallblocker/CallReceiver.java
index 02fbc54..badafd1 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/CallReceiver.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/CallReceiver.java
@@ -5,7 +5,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.telephony.TelephonyManager;
 
 import com.android.internal.telephony.ITelephony;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java b/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java
index c6e41f1..78de76f 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java
@@ -1,10 +1,10 @@
 package dummydomain.yetanothercallblocker;
 
 import android.content.res.ColorStateList;
-import android.support.annotation.NonNull;
-import android.support.v4.widget.ImageViewCompat;
-import android.support.v7.widget.AppCompatImageView;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.core.widget.ImageViewCompat;
+import androidx.appcompat.widget.AppCompatImageView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java b/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java
index 4388ff1..bb49328 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java
@@ -2,7 +2,7 @@ package dummydomain.yetanothercallblocker;
 
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.View;
 import android.widget.EditText;
 import android.widget.TextView;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/MainActivity.java b/app/src/main/java/dummydomain/yetanothercallblocker/MainActivity.java
index c7b494a..d5edbb4 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/MainActivity.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/MainActivity.java
@@ -1,9 +1,9 @@
 package dummydomain.yetanothercallblocker;
 
 import android.content.Intent;
-import android.support.annotation.NonNull;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.SwitchCompat;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.SwitchCompat;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java b/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java
index 21e807a..1803dc2 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java
@@ -8,10 +8,10 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.v4.app.NotificationCompat;
-import android.support.v4.app.NotificationManagerCompat;
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/PermissionHelper.java b/app/src/main/java/dummydomain/yetanothercallblocker/PermissionHelper.java
index ef495e1..585ac8b 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/PermissionHelper.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/PermissionHelper.java
@@ -3,9 +3,9 @@ package dummydomain.yetanothercallblocker;
 import android.Manifest;
 import android.content.pm.PackageManager;
 import android.os.Build;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.appcompat.app.AppCompatActivity;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/ReviewsActivity.java b/app/src/main/java/dummydomain/yetanothercallblocker/ReviewsActivity.java
index fa14331..94f32fc 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/ReviewsActivity.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/ReviewsActivity.java
@@ -4,10 +4,10 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.DividerItemDecoration;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.View;
 import android.widget.TextView;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/UpdateWorker.java b/app/src/main/java/dummydomain/yetanothercallblocker/UpdateWorker.java
index 95b37f8..9705d9f 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/UpdateWorker.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/UpdateWorker.java
@@ -1,7 +1,7 @@
 package dummydomain.yetanothercallblocker;
 
 import android.content.Context;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java b/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java
index b6301cf..ffbb1a6 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java
@@ -1,7 +1,7 @@
 package dummydomain.yetanothercallblocker.sia.model;
 
 import android.content.Context;
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
 
 import dummydomain.yetanothercallblocker.R;
 
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/database/CommunityDatabase.java b/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/database/CommunityDatabase.java
index c92bec5..97867b5 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/database/CommunityDatabase.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/database/CommunityDatabase.java
@@ -1,7 +1,7 @@
 package dummydomain.yetanothercallblocker.sia.model.database;
 
 import android.annotation.SuppressLint;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.SparseArray;
 
 import org.slf4j.Logger;
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 2e510a3..ce6ff85 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -25,7 +25,7 @@
         android:paddingRight="@dimen/item_padding"
         android:showDividers="middle">
 
-        <android.support.v7.widget.SwitchCompat
+        <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/notificationsEnabledSwitch"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -33,7 +33,7 @@
             android:layout_marginBottom="@dimen/text_margin"
             android:text="@string/incoming_call_notifications_enabled" />
 
-        <android.support.v7.widget.SwitchCompat
+        <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/blockCallsSwitch"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -41,7 +41,7 @@
             android:layout_marginBottom="@dimen/text_margin"
             android:text="@string/block_calls" />
 
-        <android.support.v7.widget.SwitchCompat
+        <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/autoUpdateEnabledSwitch"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
diff --git a/app/src/main/res/layout/activity_reviews.xml b/app/src/main/res/layout/activity_reviews.xml
index 65f301b..731cb87 100644
--- a/app/src/main/res/layout/activity_reviews.xml
+++ b/app/src/main/res/layout/activity_reviews.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -7,14 +7,14 @@
     android:fitsSystemWindows="true"
     tools:context=".ReviewsActivity">
 
-    <android.support.design.widget.AppBarLayout
+    <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/app_bar"
         android:layout_width="match_parent"
         android:layout_height="@dimen/app_bar_height"
         android:fitsSystemWindows="true"
         android:theme="@style/AppTheme.AppBarOverlay">
 
-        <android.support.design.widget.CollapsingToolbarLayout
+        <com.google.android.material.appbar.CollapsingToolbarLayout
             android:id="@+id/toolbar_layout"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
@@ -25,16 +25,16 @@
 
             <include layout="@layout/reviews_summary"/>
 
-            <android.support.v7.widget.Toolbar
+            <androidx.appcompat.widget.Toolbar
                 android:id="@+id/toolbar"
                 android:layout_width="match_parent"
                 android:layout_height="?attr/actionBarSize"
                 app:layout_collapseMode="pin"
                 app:popupTheme="@style/AppTheme.PopupOverlay" />
 
-        </android.support.design.widget.CollapsingToolbarLayout>
-    </android.support.design.widget.AppBarLayout>
+        </com.google.android.material.appbar.CollapsingToolbarLayout>
+    </com.google.android.material.appbar.AppBarLayout>
 
     <include layout="@layout/content_reviews" />
 
-</android.support.design.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/content_reviews.xml b/app/src/main/res/layout/content_reviews.xml
index f8cabe9..ffaedbe 100644
--- a/app/src/main/res/layout/content_reviews.xml
+++ b/app/src/main/res/layout/content_reviews.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v4.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -22,11 +22,11 @@
             android:text=""
             tools:text="@string/debug_default_test_number"/>
 
-        <android.support.v7.widget.RecyclerView
+        <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/reviews_list"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:paddingLeft="@dimen/item_padding"
             android:paddingRight="@dimen/item_padding"/>
     </LinearLayout>
-</android.support.v4.widget.NestedScrollView>
+</androidx.core.widget.NestedScrollView>
diff --git a/app/src/main/res/layout/review_item.xml b/app/src/main/res/layout/review_item.xml
index 242c960..dbba892 100644
--- a/app/src/main/res/layout/review_item.xml
+++ b/app/src/main/res/layout/review_item.xml
@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="horizontal">
-    <android.support.v7.widget.AppCompatImageView
+    <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/rating_icon"
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/reviews_summary.xml b/app/src/main/res/layout/reviews_summary.xml
index 4042f9d..e1843d4 100644
--- a/app/src/main/res/layout/reviews_summary.xml
+++ b/app/src/main/res/layout/reviews_summary.xml
@@ -17,7 +17,7 @@
         android:gravity="center_horizontal|center_vertical"
         android:orientation="horizontal">
 
-        <android.support.v7.widget.AppCompatImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@drawable/ic_thumb_down_black_24dp"
@@ -40,7 +40,7 @@
         android:gravity="center_horizontal|center_vertical"
         android:orientation="horizontal">
 
-        <android.support.v7.widget.AppCompatImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:src="@drawable/ic_thumbs_up_down_black_24dp"
@@ -63,7 +63,7 @@
         android:gravity="center_horizontal|center_vertical"
         android:orientation="horizontal">
 
-        <android.support.v7.widget.AppCompatImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:src="@drawable/ic_thumb_up_black_24dp"