diff --git a/app/build.gradle b/app/build.gradle
index 51e407d..e9f6dbf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
 	compileSdkVersion compileAndTargetSdkVersion
-	buildToolsVersion '28.0.3'
+	buildToolsVersion '29.0.0'
 
 	defaultConfig {
 		applicationId "com.example.fcm"
@@ -36,11 +36,11 @@ android {
 }
 
 dependencies {
-	implementation("com.android.support:appcompat-v7:$supportLibraryVersion") {
+	implementation('androidx.appcompat:appcompat:1.0.0') {
 		force = true
 	}
-	implementation 'com.google.firebase:firebase-core:16.0.9'
-	implementation 'com.google.firebase:firebase-messaging:18.0.0'
+	implementation 'com.google.firebase:firebase-core:17.0.0'
+	implementation 'com.google.firebase:firebase-messaging:19.0.1'
 }
 
 apply plugin: 'com.google.gms.google-services'
\ No newline at end of file
diff --git a/app/src/main/java/com/example/fcm/MyFirebaseMessagingService.java b/app/src/main/java/com/example/fcm/MyFirebaseMessagingService.java
index 5b0e728..d797aa5 100644
--- a/app/src/main/java/com/example/fcm/MyFirebaseMessagingService.java
+++ b/app/src/main/java/com/example/fcm/MyFirebaseMessagingService.java
@@ -12,7 +12,7 @@ import android.graphics.Color;
 import android.media.RingtoneManager;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
 import android.util.Log;
 
 import com.google.firebase.messaging.FirebaseMessagingService;
diff --git a/app/src/main/java/com/example/fcm/SecondActivity.java b/app/src/main/java/com/example/fcm/SecondActivity.java
index 54f4364..7e4494f 100644
--- a/app/src/main/java/com/example/fcm/SecondActivity.java
+++ b/app/src/main/java/com/example/fcm/SecondActivity.java
@@ -1,7 +1,7 @@
 package com.example.fcm;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.widget.TextView;
 
 public class SecondActivity extends AppCompatActivity {
diff --git a/build.gradle b/build.gradle
index 9c2039a..1b22ce8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
 		jcenter()
 	}
 	dependencies {
-		classpath 'com.android.tools.build:gradle:3.4.0'
+		classpath 'com.android.tools.build:gradle:3.4.1'
 		classpath 'com.google.gms:google-services:4.2.0'
 	}
 }
@@ -21,6 +21,5 @@ task clean(type: Delete) {
 }
 
 ext {
-	supportLibraryVersion = '28.0.0'
 	compileAndTargetSdkVersion = 28
 }
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 1d3591c..915f0e6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,4 +15,6 @@
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
\ No newline at end of file
+# org.gradle.parallel=true
+android.enableJetifier=true
+android.useAndroidX=true
\ No newline at end of file