diff --git a/usbSerialExamples/build.gradle b/usbSerialExamples/build.gradle
index 6b2942f..36ec1ef 100644
--- a/usbSerialExamples/build.gradle
+++ b/usbSerialExamples/build.gradle
@@ -3,7 +3,7 @@ plugins {
 }
 
 android {
-    compileSdkVersion 32
+    compileSdkVersion 33
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -12,7 +12,7 @@ android {
 
     defaultConfig {
         minSdkVersion 17
-        targetSdkVersion 32
+        targetSdkVersion 33
         vectorDrawables.useSupportLibrary = true
 
         missingDimensionStrategy 'device', 'anyDevice'
@@ -28,6 +28,6 @@ android {
 
 dependencies {
     implementation project(':usbSerialForAndroid')
-    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
 }
diff --git a/usbSerialForAndroid/build.gradle b/usbSerialForAndroid/build.gradle
index 2814232..30199a8 100644
--- a/usbSerialForAndroid/build.gradle
+++ b/usbSerialForAndroid/build.gradle
@@ -4,11 +4,11 @@ plugins {
 }
 
 android {
-    compileSdkVersion 32
+    compileSdkVersion 33
 
     defaultConfig {
         minSdkVersion 17
-        targetSdkVersion 32
+        targetSdkVersion 33
         consumerProguardFiles 'proguard-rules.pro'
         
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"