diff --git a/android/build.gradle b/android/build.gradle
index 4f31800..90fe06d 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -4,25 +4,29 @@ version '1.0-SNAPSHOT'
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral() 
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.1.2'
     }
 }
 
 rootProject.allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 33
+    compileSdkVersion 34 // Ensure this matches the latest available version
+
+    if (project.android.hasProperty("namespace")) {
+        namespace "xyz.justsoft.video_thumbnail"
+    }
 
     defaultConfig {
         minSdkVersion 16
diff --git a/lib/video_thumbnail.dart b/lib/video_thumbnail.dart
index 78eb749..dc47bcd 100644
--- a/lib/video_thumbnail.dart
+++ b/lib/video_thumbnail.dart
@@ -27,7 +27,7 @@ class VideoThumbnail {
   static Future<String?> thumbnailFile(
       {required String video,
       Map<String, String>? headers,
-      String? thumbnailPath,
+      required String thumbnailPath,
       ImageFormat imageFormat = ImageFormat.PNG,
       int maxHeight = 0,
       int maxWidth = 0,