diff --git a/app/build.gradle b/app/build.gradle
index 53504f6..6da9797 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -60,9 +60,9 @@ android {
 }
 
 dependencies {
-    implementation "androidx.appcompat:appcompat:1.2.0"
-    implementation "androidx.constraintlayout:constraintlayout:2.0.4"
-    implementation "androidx.activity:activity-ktx:1.2.4"
+    implementation "androidx.appcompat:appcompat:1.3.1"
+    implementation "androidx.constraintlayout:constraintlayout:2.1.1"
+    implementation "androidx.activity:activity-ktx:1.4.0"
     implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"
     implementation "androidx.work:work-runtime-ktx:$versions.work"
     implementation "com.github.bumptech.glide:glide:4.12.0"
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 080b159..cc3cfe6 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -30,7 +30,8 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
 
-        <activity android:name=".BlurActivity">
+        <activity android:name=".BlurActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
diff --git a/app/src/main/java/com/example/background/workers/WorkerUtils.kt b/app/src/main/java/com/example/background/workers/WorkerUtils.kt
index e8608e9..f56aacf 100644
--- a/app/src/main/java/com/example/background/workers/WorkerUtils.kt
+++ b/app/src/main/java/com/example/background/workers/WorkerUtils.kt
@@ -95,7 +95,7 @@ fun sleep() {
     try {
         Thread.sleep(DELAY_TIME_MILLIS, 0)
     } catch (e: InterruptedException) {
-        Log.e(TAG, e.message)
+        Log.e(TAG, "${e.message}")
     }
 
 }
diff --git a/app/src/main/res/drawable/android_cupcake.png b/app/src/main/res/drawable-xxhdpi/android_cupcake.png
similarity index 100%
rename from app/src/main/res/drawable/android_cupcake.png
rename to app/src/main/res/drawable-xxhdpi/android_cupcake.png
diff --git a/build.gradle b/build.gradle
index 617f699..fccba67 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,18 +18,18 @@
 
 buildscript {
     ext.versions = [:]
-    versions.compileSdk = 29
+    versions.compileSdk = 31
     versions.minSdk = 16
-    versions.targetSdk = 29
-    versions.kotlin = '1.4.30'
-    versions.work = "2.5.0"
+    versions.targetSdk = 31
+    versions.kotlin = '1.5.31'
+    versions.work = '2.7.0'
 
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.2'
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
     }
 }
@@ -37,7 +37,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d1232b0..2f53f4e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip