diff --git a/app/build.gradle b/app/build.gradle
index a652d98..87a6c0b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,18 +1,23 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 33
     buildToolsVersion '27.0.3'
 
     defaultConfig {
         minSdkVersion 15
-        targetSdkVersion 27
+        targetSdkVersion 33
         versionCode 4
         versionName "1.4.0"
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:27.1.1'
-    compile 'com.sumup:merchant-api:1.4.0'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.sumup:merchant-api:1.4.0'
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 64dad5d..f34e197 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,7 +10,8 @@
 
     <activity
       android:name="com.sumup.apisampleapp.MainActivity"
-      android:label="@string/app_name">
+      android:label="@string/app_name"
+        android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
@@ -18,7 +19,8 @@
         </activity>
         <activity
           android:name="com.sumup.apisampleapp.URLResponseActivity"
-          android:label="Payment Result">
+          android:label="Payment Result"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW"/>
                 <action android:name="com.sumup.apisampleapp.URLResponseActivity"/>
diff --git a/build.gradle b/build.gradle
index c3c17a2..73c828f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.0'
+        classpath 'com.android.tools.build:gradle:7.3.1'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2d80b69..b4bcc3d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
+#Fri Jan 06 14:31:51 CET 2023
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME