diff --git a/RecyclerViewDiffUtilDataBinding-Starter/app/build.gradle b/RecyclerViewDiffUtilDataBinding-Starter/app/build.gradle
index 86490b06f..25daa4276 100755
--- a/RecyclerViewDiffUtilDataBinding-Starter/app/build.gradle
+++ b/RecyclerViewDiffUtilDataBinding-Starter/app/build.gradle
@@ -21,11 +21,11 @@ apply plugin: 'kotlin-kapt'
 apply plugin: 'androidx.navigation.safeargs'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
     defaultConfig {
         applicationId "com.example.android.trackmysleepqualityrecyclerview"
         minSdkVersion 19
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
diff --git a/RecyclerViewDiffUtilDataBinding-Starter/app/src/main/AndroidManifest.xml b/RecyclerViewDiffUtilDataBinding-Starter/app/src/main/AndroidManifest.xml
index 58a0b98ed..ebafdbcde 100755
--- a/RecyclerViewDiffUtilDataBinding-Starter/app/src/main/AndroidManifest.xml
+++ b/RecyclerViewDiffUtilDataBinding-Starter/app/src/main/AndroidManifest.xml
@@ -9,7 +9,8 @@
         android:roundIcon="@mipmap/ic_launcher_sleep_tracker_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity android:name=".MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/RecyclerViewDiffUtilDataBinding-Starter/build.gradle b/RecyclerViewDiffUtilDataBinding-Starter/build.gradle
index 3fa751539..249db0594 100755
--- a/RecyclerViewDiffUtilDataBinding-Starter/build.gradle
+++ b/RecyclerViewDiffUtilDataBinding-Starter/build.gradle
@@ -23,14 +23,14 @@ buildscript {
         archLifecycleVersion = '1.1.1'
         room_version = '2.2.5'
         coroutine_version = '1.3.7'
-        gradleVersion = '4.0.1'
+        gradleVersion = '7.1.2'
         navigationVersion = '1.0.0-alpha07'
         dataBindingCompilerVersion = gradleVersion // Always need to be the same.
     }
 
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
@@ -46,7 +46,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
diff --git a/RecyclerViewDiffUtilDataBinding-Starter/gradle/wrapper/gradle-wrapper.properties b/RecyclerViewDiffUtilDataBinding-Starter/gradle/wrapper/gradle-wrapper.properties
index f7579fcd4..ace373eb6 100755
--- a/RecyclerViewDiffUtilDataBinding-Starter/gradle/wrapper/gradle-wrapper.properties
+++ b/RecyclerViewDiffUtilDataBinding-Starter/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Jun 26 11:49:37 PDT 2020
+#Tue Apr 05 16:06:17 IST 2022
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+zipStoreBase=GRADLE_USER_HOME