diff --git a/README.md b/README.md
index 9f66d46..1770ae1 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,10 @@
 
 Flutter plugin for OnnxRuntime via `dart:ffi` provides an easy, flexible, and fast Dart API to integrate Onnx models in flutter apps across mobile and desktop platforms.
 
-| **Platform**      | Android       | iOS | Linux | macOS | Windows |
-|-------------------|---------------|-----|-------|-------|---------|
-| **Compatibility** | API level 21+ | *   | *     | *     | *       |
-| **Architecture**  | arm32/arm64   | *   | *     | *     | *       |
+| **Platform**      | Android | iOS | Linux | macOS | Windows |
+|-------------------|---------|-----|-------|-------|---------|
+| **Compatibility** | *       | *   | *     | *     | *       |
+| **Architecture**  | *       | *   | *     | *     | *       |
 
 *: [Consistent with Flutter](https://docs.flutter.dev/reference/supported-platforms)
 
diff --git a/android/build.gradle b/android/build.gradle
index 8e2a24a..65c9cbd 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -19,6 +19,10 @@ rootProject.allprojects {
     repositories {
         google()
         mavenCentral()
+
+        flatDir {
+            dirs project(':onnxruntime').file('libs')
+        }
     }
 }
 
@@ -48,3 +52,8 @@ android {
         minSdkVersion 21
     }
 }
+
+dependencies {
+    implementation (name: 'onnxruntime-android-1.20.1', ext: 'aar')
+    implementation (name: 'onnxruntime-extensions-android-0.13.0', ext: 'aar')
+}
\ No newline at end of file
diff --git a/android/libs/onnxruntime-android-1.20.1.aar b/android/libs/onnxruntime-android-1.20.1.aar
new file mode 100644
index 0000000..945db1f
Binary files /dev/null and b/android/libs/onnxruntime-android-1.20.1.aar differ
diff --git a/android/src/main/jniLibs/arm64-v8a/libonnxruntime.so b/android/libs/onnxruntime-extensions-android-0.13.0.aar
similarity index 58%
rename from android/src/main/jniLibs/arm64-v8a/libonnxruntime.so
rename to android/libs/onnxruntime-extensions-android-0.13.0.aar
index 52a655f..89a2d06 100644
Binary files a/android/src/main/jniLibs/arm64-v8a/libonnxruntime.so and b/android/libs/onnxruntime-extensions-android-0.13.0.aar differ
diff --git a/android/src/main/jniLibs/armeabi-v7a/libonnxruntime.so b/android/src/main/jniLibs/armeabi-v7a/libonnxruntime.so
deleted file mode 100644
index f119be6..0000000
Binary files a/android/src/main/jniLibs/armeabi-v7a/libonnxruntime.so and /dev/null differ
diff --git a/ios/onnxruntime.podspec b/ios/onnxruntime.podspec
index ebdb942..987727a 100644
--- a/ios/onnxruntime.podspec
+++ b/ios/onnxruntime.podspec
@@ -20,8 +20,9 @@ OnnxRuntime plugin for Flutter apps.
   s.source           = { :path => '.' }
   # s.source_files = 'Classes/**/*'
   s.dependency 'Flutter'
-  s.dependency 'onnxruntime-objc', '1.15.1'
-  s.platform = :ios, '11.0'
+  s.dependency 'onnxruntime-objc', '1.20.0'
+  s.dependency 'onnxruntime-extensions-c', '0.13.0'
+  s.platform = :ios, '13.3'
   s.static_framework = true
 
   # Flutter.framework does not contain a i386 slice.
diff --git a/src/build-scripts/build-android-extensions.sh b/src/build-scripts/build-android-extensions.sh
new file mode 100644
index 0000000..e9efec2
--- /dev/null
+++ b/src/build-scripts/build-android-extensions.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+./prepare-extensions.sh
+
+./tools/android/build_aar.py --output_dir build --config Release --mode build_aar --api_level 21 --sdk_path="$ANDROID_HOME/Sdk" --ndk_path="$ANDROID_HOME/Sdk/ndk/22.1.7171670"
+# Output is ./build/aar_out/Release/com/microsoft/onnxruntime/onnxruntime-extensions-android/0.13.0/onnxruntime-extensions-android-0.13.0.aar
\ No newline at end of file
diff --git a/src/build-scripts/build-android.sh b/src/build-scripts/build-android.sh
new file mode 100644
index 0000000..488cd27
--- /dev/null
+++ b/src/build-scripts/build-android.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+./prepare.sh
+
+python3 tools/android_custom_build/build_custom_android_package.py --onnxruntime_branch_or_tag v1.20.1 --build_settings tools/ci_build/github/android/default_full_aar_build_settings.json build
+# Output is ./build/output/aar_out/Release/com/microsoft/onnxruntime/onnxruntime-android/1.20.1/onnxruntime-android-1.20.1.aar
\ No newline at end of file
diff --git a/src/build-scripts/build-ios-extensions.sh b/src/build-scripts/build-ios-extensions.sh
new file mode 100644
index 0000000..1f5d8ff
--- /dev/null
+++ b/src/build-scripts/build-ios-extensions.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+./prepare-extensions.sh
+
+# Tests fail with xcode build system
+rm cmake/ext_tests.cmake
+touch cmake/ext_tests.cmake
+
+python3 tools/ios/build_xcframework.py --output_dir build --mode build_xcframework --config Release --ios_deployment_target 13.3 --macos_deployment_target 16 -- --skip_tests --parallel
\ No newline at end of file
diff --git a/src/build-scripts/build-ios.sh b/src/build-scripts/build-ios.sh
new file mode 100644
index 0000000..12bf6b9
--- /dev/null
+++ b/src/build-scripts/build-ios.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+./prepare.sh
+
+# We need to make minor tweaks in order to make this buildable
+sed -i 's/"--apple_deploy_target=14.0"/"--apple_deploy_target=16.0"/' tools/ci_build/github/apple/default_full_ios_framework_build_settings.json
+sed -i 's/"--apple_deploy_target=13.0"/"--apple_deploy_target=13.3"/' tools/ci_build/github/apple/default_full_ios_framework_build_settings.json
+
+python3 tools/ci_build/github/apple/build_and_assemble_apple_pods.py --staging-dir build --build-settings-file tools/ci_build/github/apple/default_full_ios_framework_build_settings.json
\ No newline at end of file
diff --git a/src/build-scripts/prepare-extensions.sh b/src/build-scripts/prepare-extensions.sh
new file mode 100644
index 0000000..67a645b
--- /dev/null
+++ b/src/build-scripts/prepare-extensions.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+dir_name="onnxruntime-extensions"
+onnx_version=v0.13.0
+
+if [ ! -d "$dir_name" ]; then
+    echo "Cloning onnxruntime-extensions..."
+    git clone https://github.com/microsoft/onnxruntime-extensions -b "$onnx_version" "$dir_name"
+
+    if [ ! $? -eq 0 ]; then
+        echo "Failed to clone the onnxruntime-extensions repository."
+        exit 1
+    fi
+fi
diff --git a/src/build-scripts/prepare.sh b/src/build-scripts/prepare.sh
new file mode 100644
index 0000000..b54e759
--- /dev/null
+++ b/src/build-scripts/prepare.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+dir_name="onnxruntime"
+onnx_version=v1.20.1
+
+if [ ! -d "$dir_name" ]; then
+    echo "Cloning onnxruntime..."
+    git clone https://github.com/microsoft/onnxruntime -b "$onnx_version" "$dir_name"
+
+    if [ ! $? -eq 0 ]; then
+        echo "Failed to clone the onnxruntime repository."
+        exit 1
+    fi
+fi