diff --git a/ScanDemoExample/app/build.gradle b/ScanDemoExample/app/build.gradle
index 100a437..43ae213 100644
--- a/ScanDemoExample/app/build.gradle
+++ b/ScanDemoExample/app/build.gradle
@@ -1,14 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 33
     buildToolsVersion "28.0.3"
     ndkVersion "21.1.6352462"
 
     defaultConfig {
         applicationId "com.scanner.demo"
         minSdkVersion 19
-        targetSdkVersion 30
+        targetSdkVersion 33
         versionCode 1
         versionName "1.0"
     }
diff --git a/ScanDemoExample/app/src/main/AndroidManifest.xml b/ScanDemoExample/app/src/main/AndroidManifest.xml
index e21cf35..7406fee 100644
--- a/ScanDemoExample/app/src/main/AndroidManifest.xml
+++ b/ScanDemoExample/app/src/main/AndroidManifest.xml
@@ -3,8 +3,9 @@
     package="com.scanner.demo" >
 
     <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32" />
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
 
     <application
         android:requestLegacyExternalStorage="true"
@@ -13,7 +14,8 @@
         android:theme="@style/AppTheme" >
         <activity
             android:name=".MainActivity"
-            android:label="@string/app_name" >
+            android:label="@string/app_name"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/ScanDemoExample/build.gradle b/ScanDemoExample/build.gradle
index 2a7553f..ac0936a 100644
--- a/ScanDemoExample/build.gradle
+++ b/ScanDemoExample/build.gradle
@@ -3,10 +3,10 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -16,7 +16,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
         maven {
             url 'https://jitpack.io'
         }
diff --git a/ScanDemoExample/gradle/wrapper/gradle-wrapper.properties b/ScanDemoExample/gradle/wrapper/gradle-wrapper.properties
index 85dbf72..bf01e94 100644
--- a/ScanDemoExample/gradle/wrapper/gradle-wrapper.properties
+++ b/ScanDemoExample/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Aug 28 20:29:58 IST 2020
+#Wed Jan 25 11:26:01 CAT 2023
 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
diff --git a/ScanDemoExample/scanlibrary/build.gradle b/ScanDemoExample/scanlibrary/build.gradle
index 6ef7157..e97cd89 100644
--- a/ScanDemoExample/scanlibrary/build.gradle
+++ b/ScanDemoExample/scanlibrary/build.gradle
@@ -1,8 +1,7 @@
 apply plugin: 'com.android.library'
-apply plugin: 'com.github.dcendents.android-maven'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 33
     buildToolsVersion "29.0.3"
     ndkVersion "21.1.6352462"
     
@@ -14,7 +13,7 @@ android {
 
     defaultConfig {
         minSdkVersion 19
-        targetSdkVersion 30
+        targetSdkVersion 33
         versionCode 1
         versionName "1.0"
         ndk
diff --git a/ScanDemoExample/scanlibrary/src/main/AndroidManifest.xml b/ScanDemoExample/scanlibrary/src/main/AndroidManifest.xml
index 58e2047..225c0cb 100644
--- a/ScanDemoExample/scanlibrary/src/main/AndroidManifest.xml
+++ b/ScanDemoExample/scanlibrary/src/main/AndroidManifest.xml
@@ -7,8 +7,9 @@
         android:required="true" />
 
     <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32" />
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
 
     <application
         android:allowBackup="true"
diff --git a/ScanDemoExample/scanlibrary/src/main/java/com/scanlibrary/ScanActivity.java b/ScanDemoExample/scanlibrary/src/main/java/com/scanlibrary/ScanActivity.java
index 154f96e..5929ce2 100644
--- a/ScanDemoExample/scanlibrary/src/main/java/com/scanlibrary/ScanActivity.java
+++ b/ScanDemoExample/scanlibrary/src/main/java/com/scanlibrary/ScanActivity.java
@@ -2,14 +2,13 @@
 
 import android.Manifest;
 import android.app.Activity;
-import android.app.AlertDialog;
 import android.app.FragmentTransaction;
 import android.content.ComponentCallbacks2;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
-import android.util.Log;
 
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
@@ -22,16 +21,19 @@
  */
 public class ScanActivity extends Activity implements IScanner, ComponentCallbacks2 {
 
-    final String[] permissions = new String[]{
-            Manifest.permission.READ_EXTERNAL_STORAGE,
-            Manifest.permission.WRITE_EXTERNAL_STORAGE,
-            Manifest.permission.CAMERA,
-    };
-
+    String[] permissions = new String[2];
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
+        if (Build.VERSION.SDK_INT >= 33) {
+            permissions[0] = Manifest.permission.READ_MEDIA_IMAGES;
+        } else {
+            permissions[0] = Manifest.permission.READ_EXTERNAL_STORAGE;
+        }
+        permissions[1] = Manifest.permission.CAMERA;
+
         setContentView(R.layout.scan_layout);
         if(getActionBar() != null){
             getActionBar().hide();
@@ -39,7 +41,7 @@ protected void onCreate(Bundle savedInstanceState) {
         checkPermissions();
     }
 
-    private boolean checkPermissions() {
+    private void checkPermissions() {
         List<String> listPermissionsNeeded = new ArrayList<>();
         for (String p : permissions) {
             int result = ContextCompat.checkSelfPermission(this, p);
@@ -49,14 +51,13 @@ private boolean checkPermissions() {
         }
         if (!listPermissionsNeeded.isEmpty()) {
             ActivityCompat.requestPermissions(this, listPermissionsNeeded.toArray(new String[listPermissionsNeeded.size()]), 100);
-            return false;
+            return;
         }
         init();
-        return true;
     }
 
     @Override
-    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
         if (requestCode == 100) {
             if (grantResults.length > 0
                     && grantResults[0] == PackageManager.PERMISSION_GRANTED) {