diff --git a/CHANGELOG.md b/CHANGELOG.md
index a71ee32..688d518 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.4.0
+
+* Updated Image to v4
+
 ## 1.3.2
 
 * Conditionally add namespace for AGP 8 support
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 15e0d4e..2487183 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -29,42 +29,42 @@ packages:
     dependency: transitive
     description:
       name: camera
-      sha256: b4cede7c66f44fa476272d21bfe143d5f32e75de1ea56f737e3eaf982da23bab
+      sha256: f63f2687fb1795c36f7c57b18a03071880eabb0fd8b5291b0fcd3fb979cb0fb1
       url: "https://pub.dev"
     source: hosted
-    version: "0.10.5+3"
+    version: "0.10.5+4"
   camera_android:
     dependency: transitive
     description:
       name: camera_android
-      sha256: "61d62676708f187fb89fb14b371f87470343ba3cb26d08fc358e4f8a18e13150"
+      sha256: ed4f645848074166fc3b8e20350f83ca07e09a2becc1e185040ee561f955d4df
       url: "https://pub.dev"
     source: hosted
-    version: "0.10.8+6"
+    version: "0.10.8+8"
   camera_avfoundation:
     dependency: transitive
     description:
       name: camera_avfoundation
-      sha256: "332747f20cf911980e38c8442108102d4456752711781108fda237635baf362c"
+      sha256: "718b60ed2e22b4067fe6e2c0e9ebe2856c2de5c8b1289ba95d10db85b0b00bc2"
       url: "https://pub.dev"
     source: hosted
-    version: "0.9.13+3"
+    version: "0.9.13+4"
   camera_platform_interface:
     dependency: transitive
     description:
       name: camera_platform_interface
-      sha256: "60fa0bb62a4f3bf3a7c413e31e4cd01b69c779ccc8e4668904a24581b86c316b"
+      sha256: "8734d1c682f034bdb12d0d6ff379b0535a9b8e44266b530025bf8266d6a62f28"
       url: "https://pub.dev"
     source: hosted
-    version: "2.5.1"
+    version: "2.5.2"
   camera_web:
     dependency: transitive
     description:
       name: camera_web
-      sha256: "894df2a4e9ddd77ffecee9553d5980eeabb8bf09d98e53934859e67dc367933b"
+      sha256: "012c82efeb6b69626f1cf7a37c5277c1032428bcae98c7ab6401ff5e91eca628"
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.2+1"
+    version: "0.3.2+2"
   characters:
     dependency: transitive
     description:
@@ -101,10 +101,10 @@ packages:
     dependency: transitive
     description:
       name: cross_file
-      sha256: "0b0036e8cccbfbe0555fd83c1d31a6f30b77a96b598b35a5d36dd41f718695e9"
+      sha256: fd832b5384d0d6da4f6df60b854d33accaaeb63aa9e10e736a87381f08dee2cb
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.3+4"
+    version: "0.3.3+5"
   crypto:
     dependency: transitive
     description:
@@ -133,34 +133,34 @@ packages:
     dependency: transitive
     description:
       name: file_selector_linux
-      sha256: "770eb1ab057b5ae4326d1c24cc57710758b9a46026349d021d6311bd27580046"
+      sha256: "045d372bf19b02aeb69cacf8b4009555fb5f6f0b7ad8016e5f46dd1387ddd492"
       url: "https://pub.dev"
     source: hosted
-    version: "0.9.2"
+    version: "0.9.2+1"
   file_selector_macos:
     dependency: transitive
     description:
       name: file_selector_macos
-      sha256: "4ada532862917bf16e3adb3891fe3a5917a58bae03293e497082203a80909412"
+      sha256: "182c3f8350cee659f7b115e956047ee3dc672a96665883a545e81581b9a82c72"
       url: "https://pub.dev"
     source: hosted
-    version: "0.9.3+1"
+    version: "0.9.3+2"
   file_selector_platform_interface:
     dependency: transitive
     description:
       name: file_selector_platform_interface
-      sha256: "412705a646a0ae90f33f37acfae6a0f7cbc02222d6cd34e479421c3e74d3853c"
+      sha256: "0aa47a725c346825a2bd396343ce63ac00bda6eff2fbc43eabe99737dede8262"
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.0"
+    version: "2.6.1"
   file_selector_windows:
     dependency: transitive
     description:
       name: file_selector_windows
-      sha256: "1372760c6b389842b77156203308940558a2817360154084368608413835fc26"
+      sha256: d3547240c20cabf205c7c7f01a50ecdbc413755814d6677f3cb366f04abcead0
       url: "https://pub.dev"
     source: hosted
-    version: "0.9.3"
+    version: "0.9.3+1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -170,18 +170,18 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: "2118df84ef0c3ca93f96123a616ae8540879991b8b57af2f81b76a7ada49b2a4"
+      sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
-      sha256: "950e77c2bbe1692bc0874fc7fb491b96a4dc340457f4ea1641443d0a6c1ea360"
+      sha256: f185ac890306b5779ecbd611f52502d8d4d63d27703ef73161ca0407e815f02c
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.15"
+    version: "2.0.16"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -198,7 +198,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.3.1"
+    version: "1.3.2"
   http:
     dependency: transitive
     description:
@@ -219,74 +219,74 @@ packages:
     dependency: transitive
     description:
       name: image
-      sha256: "8e9d133755c3e84c73288363e6343157c383a0c6c56fc51afcc5d4d7180306d6"
+      sha256: a72242c9a0ffb65d03de1b7113bc4e189686fc07c7147b8b41811d0dd0e0d9bf
       url: "https://pub.dev"
     source: hosted
-    version: "3.3.0"
+    version: "4.0.17"
   image_picker:
     dependency: transitive
     description:
       name: image_picker
-      sha256: "841837258e0b42c80946c43443054fc726f5e8aa84a97f363eb9ef0d45b33c14"
+      sha256: "866724408a53806722893012bc8081ed78dc756b36f19e37712819445da3ad3a"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   image_picker_android:
     dependency: transitive
     description:
       name: image_picker_android
-      sha256: "8179b54039b50eee561676232304f487602e2950ffb3e8995ed9034d6505ca34"
+      sha256: d32a997bcc4ee135aebca8e272b7c517927aa65a74b9c60a81a2764ef1a0462d
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.7+4"
+    version: "0.8.7+5"
   image_picker_for_web:
     dependency: transitive
     description:
       name: image_picker_for_web
-      sha256: "8b6c160cdbe572199103a091c783685b236110e4a0fd7a4947f32ff5b7da8765"
+      sha256: "50bc9ae6a77eea3a8b11af5eb6c661eeb858fdd2f734c2a4fd17086922347ef7"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.1"
   image_picker_ios:
     dependency: transitive
     description:
       name: image_picker_ios
-      sha256: b3e2f21feb28b24dd73a35d7ad6e83f568337c70afab5eabac876e23803f264b
+      sha256: c5538cacefacac733c724be7484377923b476216ad1ead35a0d2eadcdc0fc497
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.8"
+    version: "0.8.8+2"
   image_picker_linux:
     dependency: transitive
     description:
       name: image_picker_linux
-      sha256: "02cbc21fe1706b97942b575966e5fbbeaac535e76deef70d3a242e4afb857831"
+      sha256: "4ed1d9bb36f7cd60aa6e6cd479779cc56a4cb4e4de8f49d487b1aaad831300fa"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.1+1"
   image_picker_macos:
     dependency: transitive
     description:
       name: image_picker_macos
-      sha256: cee2aa86c56780c13af2c77b5f2f72973464db204569e1ba2dd744459a065af4
+      sha256: "3f5ad1e8112a9a6111c46d0b57a7be2286a9a07fc6e1976fdf5be2bd31d4ff62"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.1+1"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
-      sha256: c1134543ae2187e85299996d21c526b2f403854994026d575ae4cf30d7bb2a32
+      sha256: ed9b00e63977c93b0d2d2b343685bed9c324534ba5abafbb3dfbd6a780b1b514
       url: "https://pub.dev"
     source: hosted
-    version: "2.9.0"
+    version: "2.9.1"
   image_picker_windows:
     dependency: transitive
     description:
       name: image_picker_windows
-      sha256: c3066601ea42113922232c7b7b3330a2d86f029f685bba99d82c30e799914952
+      sha256: "6ad07afc4eb1bc25f3a01084d28520496c4a3bb0cb13685435838167c9dcedeb"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.1+1"
   js:
     dependency: transitive
     description:
diff --git a/lib/src/ui/writer_widget.dart b/lib/src/ui/writer_widget.dart
index 11e3903..ee57b57 100644
--- a/lib/src/ui/writer_widget.dart
+++ b/lib/src/ui/writer_widget.dart
@@ -278,9 +278,10 @@ class _WriterWidgetState extends State<WriterWidget>
       if (result.isValid && result.data != null) {
         try {
           final imglib.Image img = imglib.Image.fromBytes(
-            width,
-            height,
-            result.data!,
+            width: width,
+            height: height,
+            bytes: result.data!.buffer,
+            numChannels: 4,
           );
           final Uint8List encodedBytes = Uint8List.fromList(
             imglib.encodeJpg(img),
diff --git a/lib/src/utils/image_converter.dart b/lib/src/utils/image_converter.dart
index 8a58054..4327bce 100644
--- a/lib/src/utils/image_converter.dart
+++ b/lib/src/utils/image_converter.dart
@@ -9,60 +9,19 @@ import 'package:image/image.dart' as imglib;
 
 Future<Uint8List> convertImage(CameraImage image) async {
   try {
-    late imglib.Image img;
     if (image.format.group == ImageFormatGroup.yuv420) {
-      // img = convertYUV420(image);
       return image.planes.first.bytes;
     } else if (image.format.group == ImageFormatGroup.bgra8888) {
-      img = convertBGRA8888(image);
+      final Uint32List bytes =
+          _getBGRABytes(image.planes[0].bytes, image.width, image.height);
+      return _getLuminanceBytes(bytes, image.width, image.height);
     }
-    return img.getBytes(format: imglib.Format.luminance); //.toUint8List();
   } catch (e) {
     debugPrint('>>>>>>>>>>>> ERROR: $e');
   }
   return Uint8List(0);
 }
 
-imglib.Image convertBGRA8888(CameraImage image) {
-  return imglib.Image.fromBytes(
-    image.width,
-    image.height,
-    image.planes[0].bytes,
-    format: imglib.Format.bgra,
-    // format: imglib.Format.int8,
-    // order: imglib.ChannelOrder.bgra,
-  );
-}
-
-// ignore: unused_element
-// imglib.Image convertYUV420(CameraImage image) {
-//   final imglib.Image img = imglib.Image(
-//     width: image.width,
-//     height: image.height,
-//   ); // Create Image buffer
-
-//   final Plane plane = image.planes[0];
-//   const int shift = 0xFF << 24;
-
-//   // Fill image buffer with plane[0] from YUV420_888
-//   for (int x = 0; x < image.width; x++) {
-//     for (int planeOffset = 0;
-//         planeOffset < image.height * image.width;
-//         planeOffset += image.width) {
-//       final int pixelColor = plane.bytes[planeOffset + x];
-//       // color: 0x FF  FF  FF  FF
-//       //           A   B   G   R
-//       // Calculate pixel color
-//       final int newVal =
-//           shift | (pixelColor << 16) | (pixelColor << 8) | pixelColor;
-
-//       // img.data?.buffer[planeOffset + x] = newVal;
-//     }
-//   }
-
-//   return img;
-// }
-
 Uint8List invertImage(Uint8List bytes) {
   final Uint8List invertedBytes = Uint8List.fromList(bytes);
   for (int i = 0; i < invertedBytes.length; i++) {
@@ -85,11 +44,52 @@ imglib.Image resizeToMaxSize(imglib.Image image, int? maxSize) {
 
 // get the bytes of the image in grayscale format (luminance) like v3
 Uint8List grayscaleBytes(imglib.Image image) {
-  return image.getBytes(format: imglib.Format.luminance);
-  // final imglib.Image imgRgba8 = image.convert(
-  //   format: imglib.Format.uint8,
-  //   numChannels: 1,
-  // ); // Make sure it's an RGBA 32-bit image like v3
-  // imglib.grayscale(imgRgba8); // map the pixels to grayscale (luminance)
-  // return imgRgba8.getBytes();
+  final Uint32List bytes =
+      _getBGRABytes(image.buffer.asUint8List(), image.width, image.height);
+  return _getLuminanceBytes(bytes, image.width, image.height);
 }
+
+Uint32List _getBGRABytes(Uint8List bytes, int width, int height) {
+  final Uint8List input =
+      bytes is Uint32List ? Uint8List.view(bytes.buffer) : bytes;
+
+  final Uint32List data = Uint32List(width * height);
+  final Uint8List rgba = Uint8List.view(data.buffer);
+
+  for (int i = 0, len = input.length; i < len; i += 4) {
+    rgba[i + 0] = input[i + 2];
+    rgba[i + 1] = input[i + 1];
+    rgba[i + 2] = input[i + 0];
+    rgba[i + 3] = input[i + 3];
+  }
+  return data;
+}
+
+Uint8List _getLuminanceBytes(Uint32List data, int width, int height) {
+  final Uint8List bytes = Uint8List(width * height);
+  for (int i = 0, len = data.length; i < len; ++i) {
+    bytes[i] = _getLuminance(data[i]);
+  }
+  return bytes;
+}
+
+/// Returns the luminance (grayscale) value of the [color].
+int _getLuminance(int color) {
+  final int r = _getRed(color);
+  final int g = _getGreen(color);
+  final int b = _getBlue(color);
+  return _getLuminanceRgb(r, g, b);
+}
+
+/// Returns the luminance (grayscale) value of the color.
+int _getLuminanceRgb(int r, int g, int b) =>
+    (0.299 * r + 0.587 * g + 0.114 * b).round();
+
+/// Get the red channel from the [color].
+int _getRed(int color) => color & 0xff;
+
+/// Get the green channel from the [color].
+int _getGreen(int color) => (color >> 8) & 0xff;
+
+/// Get the blue channel from the [color].
+int _getBlue(int color) => (color >> 16) & 0xff;
diff --git a/pubspec.yaml b/pubspec.yaml
index 0b32564..0130443 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_zxing
 description: A barcode scanner and generator natively in Flutter with Dart FFI based on ZXing.
-version: 1.3.2
+version: 1.4.0
 repository: https://github.com/khoren93/flutter_zxing
 
 environment:
@@ -12,7 +12,7 @@ dependencies:
   ffi: ^2.0.0
   flutter:
     sdk: flutter
-  image: ^3.0.0
+  image: ^4.0.0
   image_picker: ^1.0.0
 
 dev_dependencies: