diff --git a/OneSignalExample/Assets/OneSignal/CHANGELOG.md b/OneSignalExample/Assets/OneSignal/CHANGELOG.md
index c2390d3c6..95c3bfb9a 100644
--- a/OneSignalExample/Assets/OneSignal/CHANGELOG.md
+++ b/OneSignalExample/Assets/OneSignal/CHANGELOG.md
@@ -12,8 +12,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed lower build-tools versions being needed for Android builds. Delete your OneSignalConfig.androidlib and run the 
 "Copy Android plugin to Assets" step in **Window > OneSignal SDK Setup** to apply the fix.
 ### Changed
-- Updated included Android SDK to [5.0.4](https://github.com/OneSignal/OneSignal-Android-SDK/releases/tag/5.0.4)
-- Updated included iOS SDK to [5.0.4](https://github.com/OneSignal/OneSignal-iOS-SDK/releases/tag/5.0.4)
+- Updated included Android SDK to [5.1.1](https://github.com/OneSignal/OneSignal-Android-SDK/releases/tag/5.1.1).
+  - Android builds now require the Target API Level to be set to 33 or higher.
+- Updated included iOS SDK to [5.1.0](https://github.com/OneSignal/OneSignal-iOS-SDK/releases/tag/5.1.0)
 
 ## [5.0.5]
 ### Changed
diff --git a/OneSignalExample/Assets/OneSignal/README.md b/OneSignalExample/Assets/OneSignal/README.md
index ee42d37a8..eeebf702c 100644
--- a/OneSignalExample/Assets/OneSignal/README.md
+++ b/OneSignalExample/Assets/OneSignal/README.md
@@ -33,6 +33,7 @@ And via many additional platforms. [Check them all out](https://documentation.on
 - A [OneSignal Account](https://app.onesignal.com/signup) if you do not already have one
 - Your OneSignal App ID which you can find under **Settings > Keys & IDs**
 - Unity 2021.3 or newer
+- Android Builds: Target API Level 33 or higher
 - iOS Builds: CocoaPods 1.11.3 or newer
 - In order to test push notifications you will need
   - An Android 4.0.3 or newer device or emulator with "Google Play services" installed
diff --git a/OneSignalExample/Assets/Plugins/Android/mainTemplate.gradle b/OneSignalExample/Assets/Plugins/Android/mainTemplate.gradle
index 71e7897cd..29a991590 100644
--- a/OneSignalExample/Assets/Plugins/Android/mainTemplate.gradle
+++ b/OneSignalExample/Assets/Plugins/Android/mainTemplate.gradle
@@ -6,7 +6,7 @@ apply plugin: 'com.android.library'
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 // Android Resolver Dependencies Start
-    implementation 'com.onesignal:OneSignal:5.0.5' // Packages/com.onesignal.unity.android/Editor/OneSignalAndroidDependencies.xml:6
+    implementation 'com.onesignal:OneSignal:5.1.1' // Packages/com.onesignal.unity.android/Editor/OneSignalAndroidDependencies.xml:6
 // Android Resolver Dependencies End
 **DEPS**}
 
diff --git a/OneSignalExample/ProjectSettings/AndroidResolverDependencies.xml b/OneSignalExample/ProjectSettings/AndroidResolverDependencies.xml
index 3a6f7edfc..2e77e3ba9 100644
--- a/OneSignalExample/ProjectSettings/AndroidResolverDependencies.xml
+++ b/OneSignalExample/ProjectSettings/AndroidResolverDependencies.xml
@@ -1,6 +1,6 @@
 <dependencies>
   <packages>
-    <package>com.onesignal:OneSignal:5.0.5</package>
+    <package>com.onesignal:OneSignal:5.1.1</package>
   </packages>
   <files />
   <settings>
diff --git a/README.md b/README.md
index 9ca3155c0..5b9b21a55 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ And via many additional platforms. [Check them all out](https://documentation.on
 - A [OneSignal Account](https://app.onesignal.com/signup) if you do not already have one
 - Your OneSignal App ID which you can find under **Settings > Keys & IDs**
 - Unity 2021.3 or newer
+- Android Builds: Target API Level 33 or higher
 - iOS Builds: CocoaPods 1.11.3 or newer
 - In order to test push notifications you will need
   - An Android 5 or newer device or emulator with "Google Play Store (Services)" installed
diff --git a/com.onesignal.unity.android/Editor/OneSignalAndroidDependencies.xml b/com.onesignal.unity.android/Editor/OneSignalAndroidDependencies.xml
index bbf39139e..e728fed39 100644
--- a/com.onesignal.unity.android/Editor/OneSignalAndroidDependencies.xml
+++ b/com.onesignal.unity.android/Editor/OneSignalAndroidDependencies.xml
@@ -3,6 +3,6 @@
     <repositories>
       <repository>https://repo.maven.apache.org/maven2</repository>
     </repositories>
-    <androidPackage spec="com.onesignal:OneSignal:5.0.5" />
+    <androidPackage spec="com.onesignal:OneSignal:5.1.1" />
   </androidPackages>
 </dependencies>
\ No newline at end of file
diff --git a/com.onesignal.unity.ios/Editor/OneSignaliOSDependencies.xml b/com.onesignal.unity.ios/Editor/OneSignaliOSDependencies.xml
index 8a789b4d4..5082afbd0 100644
--- a/com.onesignal.unity.ios/Editor/OneSignaliOSDependencies.xml
+++ b/com.onesignal.unity.ios/Editor/OneSignaliOSDependencies.xml
@@ -1,5 +1,5 @@
 <dependencies>
     <iosPods>
-            <iosPod name="OneSignalXCFramework" version="5.0.5" addToAllTargets="true" />
+            <iosPod name="OneSignalXCFramework" version="5.1.0" addToAllTargets="true" />
     </iosPods>
 </dependencies>
\ No newline at end of file