diff --git a/LICENSE b/LICENSE
index 78912a1..5221402 100644
--- a/LICENSE
+++ b/LICENSE
@@ -12,6 +12,14 @@
          Martin Grotzke
          Rafael Winterhalter
 
+     - Kotlin - 
+       [The Apache Software License, Version 2.0]
+       https://github.com/JetBrains/kotlin
+       Copyright 2020
+         JetBrains s.r.o. and Kotlin Programming Language contributors
+       Kotlin Compiler, Test Data+Libraries, and Tools repository contain third-party code, to which different licenses may apply
+       See: https://github.com/JetBrains/kotlin/blob/master/license/README.md
+
      - Kryo - Fast and efficient binary object graph serialization framework for Java
        [BSD 3-Clause License]
        https://github.com/EsotericSoftware/kryo
diff --git a/build.gradle.kts b/build.gradle.kts
index e2bbd98..53e9991 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+import dorkbox.gradle.kotlin
 import java.time.Instant
 
 ///////////////////////////////
@@ -54,7 +55,6 @@ object Extras {
 ///////////////////////////////
 GradleUtils.load("$projectDir/../../gradle.properties", Extras)
 GradleUtils.defaults()
-//GradleUtils.compileConfiguration(JavaVersion.VERSION_11)
 GradleUtils.compileConfiguration(JavaVersion.VERSION_1_8)
 GradleUtils.jpms(JavaVersion.VERSION_1_9)
 
@@ -74,6 +74,15 @@ licensing {
     }
 }
 
+sourceSets.main {
+    kotlin.include("**/*.java", "**/*.kt") // we have some java we depend on
+}
+
+sourceSets.test {
+    kotlin.include("**/*.java", "**/*.kt") // we have some java we depend on for unit tests
+}
+
+
 tasks.jar.get().apply {
     manifest {
         // https://docs.oracle.com/javase/tutorial/deployment/jar/packageman.html
@@ -97,6 +106,11 @@ dependencies {
 
     // listed as compile only, since we will be using bouncy castle ANYWAYS if we use this project. **We don't want a hard dependency.**
     compileOnly("org.bouncycastle:bcprov-jdk15on:1.68")
+
+
+    testImplementation("com.esotericsoftware:kryo:5.1.1")
+    testImplementation("org.bouncycastle:bcprov-jdk15on:1.68")
+    testImplementation("junit:junit:4.13.2")
 }
 
 publishToSonatype {