Update Milo and Kotlin versions

build.gradle

@@ -2,7 +2,7 @@ import java.text.SimpleDateFormat
 
 plugins {
     id "java"
-    id "org.jetbrains.kotlin.jvm" version "1.3.71"
+    id "org.jetbrains.kotlin.jvm" version "1.4.10"
     id "org.beryx.runtime" version "1.8.0"
     id "com.github.johnrengelman.shadow" version "5.2.0"
     id "com.palantir.git-version" version "0.12.2"
@@ -14,16 +14,16 @@ version "0.2-SNAPSHOT"
 sourceCompatibility = 1.8
 
 project.ext {
-    miloVersion = "0.5.0-M2"
+    miloVersion = "0.5.0"
     packageName = "milo-demo-server"
 }
 
 compileKotlin {
-    kotlinOptions.jvmTarget = "1.8"
+    kotlinOptions.jvmTarget = "11"
 }
 
 compileTestKotlin {
-    kotlinOptions.jvmTarget = "1.8"
+    kotlinOptions.jvmTarget = "11"
 }
 
 shadowJar {
@@ -103,8 +103,8 @@ repositories {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
     implementation "org.jetbrains.kotlin:kotlin-reflect"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.8"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.3.8"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.3.9"
 
     implementation "org.eclipse.milo:sdk-client:$miloVersion"
     implementation "org.eclipse.milo:sdk-server:$miloVersion"