diff --git a/zello-sdk-sample-contacts/build.gradle b/zello-sdk-sample-contacts/build.gradle
index 8d1076f..4fe16e2 100644
--- a/zello-sdk-sample-contacts/build.gradle
+++ b/zello-sdk-sample-contacts/build.gradle
@@ -5,7 +5,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath "com.android.tools.build:gradle:8.1.1"
+		classpath "com.android.tools.build:gradle:8.2.2"
 	}
 }
 
@@ -24,7 +24,7 @@ java {
 
 android {
 	compileSdk 34
-	setBuildToolsVersion("33.0.1")
+	setBuildToolsVersion("34.0.0")
 	namespace "com.zello.sdk.sample.contacts"
 
 	buildFeatures {
@@ -33,7 +33,7 @@ android {
 
 	defaultConfig {
 		applicationId "com.zello.sdk.sample.contacts"
-		minSdk 23
+		minSdk 24
 		targetSdk 34
 		versionCode 1
 		versionName "1.0"
diff --git a/zello-sdk-sample-contacts/gradle/wrapper/gradle-wrapper.properties b/zello-sdk-sample-contacts/gradle/wrapper/gradle-wrapper.properties
index 18695bc..b5adff5 100644
--- a/zello-sdk-sample-contacts/gradle/wrapper/gradle-wrapper.properties
+++ b/zello-sdk-sample-contacts/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 08 15:53:50 CDT 2023
+#Wed Feb 21 15:39:18 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/zello-sdk-sample-contacts/libs/zello-sdk.aar b/zello-sdk-sample-contacts/libs/zello-sdk.aar
index 0e29406..1afa132 100644
Binary files a/zello-sdk-sample-contacts/libs/zello-sdk.aar and b/zello-sdk-sample-contacts/libs/zello-sdk.aar differ
diff --git a/zello-sdk-sample-misc/build.gradle b/zello-sdk-sample-misc/build.gradle
index 1d4225f..7c76e67 100644
--- a/zello-sdk-sample-misc/build.gradle
+++ b/zello-sdk-sample-misc/build.gradle
@@ -5,7 +5,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath "com.android.tools.build:gradle:8.1.1"
+		classpath "com.android.tools.build:gradle:8.2.2"
 	}
 }
 
@@ -24,7 +24,7 @@ java {
 
 android {
 	compileSdk 34
-	setBuildToolsVersion("33.0.1")
+	setBuildToolsVersion("34.0.0")
 	namespace "com.zello.sdk.sample.misc"
 
 	buildFeatures {
@@ -33,7 +33,7 @@ android {
 
 	defaultConfig {
 		applicationId "com.zello.sdk.sample.miscellaneous"
-		minSdk 23
+		minSdk 24
 		targetSdk 34
 		versionCode 1
 		versionName "1.0"
diff --git a/zello-sdk-sample-misc/gradle/wrapper/gradle-wrapper.properties b/zello-sdk-sample-misc/gradle/wrapper/gradle-wrapper.properties
index 18695bc..45ff2b9 100644
--- a/zello-sdk-sample-misc/gradle/wrapper/gradle-wrapper.properties
+++ b/zello-sdk-sample-misc/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 08 15:53:50 CDT 2023
+#Wed Feb 21 15:41:29 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/zello-sdk-sample-misc/libs/zello-sdk.aar b/zello-sdk-sample-misc/libs/zello-sdk.aar
index 0e29406..1afa132 100644
Binary files a/zello-sdk-sample-misc/libs/zello-sdk.aar and b/zello-sdk-sample-misc/libs/zello-sdk.aar differ
diff --git a/zello-sdk-sample-ptt/build.gradle b/zello-sdk-sample-ptt/build.gradle
index 974f18b..6d99ef2 100644
--- a/zello-sdk-sample-ptt/build.gradle
+++ b/zello-sdk-sample-ptt/build.gradle
@@ -5,7 +5,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath "com.android.tools.build:gradle:8.1.1"
+		classpath "com.android.tools.build:gradle:8.2.2"
 	}
 }
 
@@ -24,7 +24,7 @@ java {
 
 android {
 	compileSdk 34
-	setBuildToolsVersion("33.0.1")
+	setBuildToolsVersion("34.0.0")
 	namespace "com.zello.sdk.sample.ptt"
 
 	buildFeatures {
@@ -33,7 +33,7 @@ android {
 
 	defaultConfig {
 		applicationId "com.zello.sdk.sample.ptt"
-		minSdk 23
+		minSdk 24
 		targetSdk 34
 		versionCode 1
 		versionName "1.0"
diff --git a/zello-sdk-sample-ptt/gradle/wrapper/gradle-wrapper.properties b/zello-sdk-sample-ptt/gradle/wrapper/gradle-wrapper.properties
index 18695bc..5ad819f 100644
--- a/zello-sdk-sample-ptt/gradle/wrapper/gradle-wrapper.properties
+++ b/zello-sdk-sample-ptt/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 08 15:53:50 CDT 2023
+#Wed Feb 21 15:42:31 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/zello-sdk-sample-ptt/libs/zello-sdk.aar b/zello-sdk-sample-ptt/libs/zello-sdk.aar
index 0e29406..1afa132 100644
Binary files a/zello-sdk-sample-ptt/libs/zello-sdk.aar and b/zello-sdk-sample-ptt/libs/zello-sdk.aar differ
diff --git a/zello-sdk-sample-signin/build.gradle b/zello-sdk-sample-signin/build.gradle
index e68050f..fa464ca 100644
--- a/zello-sdk-sample-signin/build.gradle
+++ b/zello-sdk-sample-signin/build.gradle
@@ -5,7 +5,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath "com.android.tools.build:gradle:8.1.1"
+		classpath "com.android.tools.build:gradle:8.2.2"
 	}
 }
 
@@ -24,12 +24,12 @@ java {
 
 android {
 	compileSdk 34
-	setBuildToolsVersion("33.0.1")
+	setBuildToolsVersion("34.0.0")
 	namespace "com.zello.sdk.sample.signin"
 
 	defaultConfig {
 		applicationId "com.zello.sdk.sample"
-		minSdk 23
+		minSdk 24
 		targetSdk 34
 		versionCode 1
 		versionName "1.0"
diff --git a/zello-sdk-sample-signin/gradle/wrapper/gradle-wrapper.properties b/zello-sdk-sample-signin/gradle/wrapper/gradle-wrapper.properties
index 18695bc..1e348d0 100644
--- a/zello-sdk-sample-signin/gradle/wrapper/gradle-wrapper.properties
+++ b/zello-sdk-sample-signin/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 08 15:53:50 CDT 2023
+#Wed Feb 21 15:43:06 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/zello-sdk-sample-signin/libs/zello-sdk.aar b/zello-sdk-sample-signin/libs/zello-sdk.aar
index 0e29406..1afa132 100644
Binary files a/zello-sdk-sample-signin/libs/zello-sdk.aar and b/zello-sdk-sample-signin/libs/zello-sdk.aar differ
diff --git a/zello-sdk-sample/build.gradle b/zello-sdk-sample/build.gradle
index 353a41a..cefcbaf 100644
--- a/zello-sdk-sample/build.gradle
+++ b/zello-sdk-sample/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-	ext.kotlin_version = "1.9.10"
+	ext.kotlin_version = "1.9.22"
 
 	repositories {
 		google()
@@ -7,7 +7,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath "com.android.tools.build:gradle:8.1.1"
+		classpath "com.android.tools.build:gradle:8.2.2"
 		classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 	}
 }
@@ -32,7 +32,7 @@ kotlin {
 
 android {
 	compileSdk 34
-	setBuildToolsVersion("33.0.1")
+	setBuildToolsVersion("34.0.0")
 	namespace "com.zello.sdk.sample"
 
 	buildFeatures {
@@ -41,7 +41,7 @@ android {
 
 	defaultConfig {
 		applicationId "com.zello.sdk.sample"
-		minSdk 23
+		minSdk 24
 		targetSdk 34
 		versionCode 1
 		versionName "1.0"
@@ -67,7 +67,7 @@ android {
 dependencies {
 	implementation files("libs/zello-sdk.aar")
 	implementation "androidx.appcompat:appcompat:1.6.1"
-	implementation "androidx.core:core-ktx:1.10.1"
-	implementation "androidx.media:media:1.6.0"
+	implementation "androidx.core:core-ktx:1.12.0"
+	implementation "androidx.media:media:1.7.0"
 	implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
diff --git a/zello-sdk-sample/gradle/wrapper/gradle-wrapper.properties b/zello-sdk-sample/gradle/wrapper/gradle-wrapper.properties
index 18695bc..5b080b5 100644
--- a/zello-sdk-sample/gradle/wrapper/gradle-wrapper.properties
+++ b/zello-sdk-sample/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 08 15:53:50 CDT 2023
+#Wed Feb 21 15:36:33 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/zello-sdk-sample/libs/zello-sdk.aar b/zello-sdk-sample/libs/zello-sdk.aar
index b0045a7..1afa132 100644
Binary files a/zello-sdk-sample/libs/zello-sdk.aar and b/zello-sdk-sample/libs/zello-sdk.aar differ
diff --git a/zello-sdk.aar b/zello-sdk.aar
index 0e29406..1afa132 100644
Binary files a/zello-sdk.aar and b/zello-sdk.aar differ
diff --git a/zello-sdk/build.gradle b/zello-sdk/build.gradle
index 3646d6e..4fd45e8 100644
--- a/zello-sdk/build.gradle
+++ b/zello-sdk/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-	ext.kotlin_version = "1.9.10"
+	ext.kotlin_version = "1.9.22"
 
 	repositories {
 		google()
@@ -7,7 +7,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath "com.android.tools.build:gradle:8.1.1"
+		classpath "com.android.tools.build:gradle:8.2.2"
 		classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 	}
 }
@@ -31,9 +31,9 @@ kotlin {
 }
 
 dependencies {
-	implementation "androidx.core:core-ktx:1.10.1"
-	implementation "androidx.media:media:1.6.0"
-	implementation "androidx.annotation:annotation:1.6.0"
+	implementation "androidx.core:core-ktx:1.12.0"
+	implementation "androidx.media:media:1.7.0"
+	implementation "androidx.annotation:annotation:1.7.1"
 }
 
 def sourceAarName = "zello-sdk-release.aar"
@@ -142,7 +142,7 @@ tasks.configureEach { task ->
 
 android {
 	compileSdk 34
-	setBuildToolsVersion("33.0.1")
+	setBuildToolsVersion("34.0.0")
 	namespace "com.zello.sdk"
 
 	buildFeatures {
@@ -152,7 +152,7 @@ android {
 	ext.sdkVersion = "5.33.3"
 
 	defaultConfig {
-		minSdk 23
+		minSdk 24
 		targetSdk 34
 		manifestPlaceholders.sdkVersion = "$sdkVersion"
 		buildConfigField "String", "SDK_VERSION", "\"$sdkVersion\""
diff --git a/zello-sdk/gradle/wrapper/gradle-wrapper.properties b/zello-sdk/gradle/wrapper/gradle-wrapper.properties
index 4a8c0e8..fe702c9 100644
--- a/zello-sdk/gradle/wrapper/gradle-wrapper.properties
+++ b/zello-sdk/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 08 15:31:37 CDT 2023
+#Wed Feb 21 15:29:11 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists