Use bom for dependencies.

build.gradle.kts

@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 buildscript {
     extra.apply {
-        set("kotestVersion", "4.2.0")
+        set("pheeraiBomVersion", "0.0.1-SNAPSHOT")
         set("kotlinApiVersion", "1.4")
         set("javaVersion", JavaVersion.VERSION_11)
     }
@@ -21,6 +21,14 @@ plugins {
 
 repositories {
     mavenCentral()
+    jcenter()
+    google()
+    mavenLocal {
+        mavenContent {
+            includeGroup("de.pheerai")
+            includeGroup("de.pheerai.eap")
+        }
+    }
 }
 
 project.version = "0.0.2"
@@ -32,16 +40,9 @@ java {
 }
 
 dependencies {
-    testImplementation(
+    implementation(enforcedPlatform("de.pheerai:kotlin-native-app-bom:${getFromExtra<String>("pheeraiBomVersion")}"))
-        group = "io.kotest",
+    testImplementation("io.kotest", "kotest-runner-junit5-jvm")
-        name = "kotest-runner-junit5-jvm",
+    testImplementation("io.kotest", "kotest-assertions-core-jvm")
-        version = getFromExtra("kotestVersion")
-    )
-    testImplementation(
-        group = "io.kotest",
-        name = "kotest-assertions-core-jvm",
-        version = getFromExtra("kotestVersion")
-    )
 }
 
 tasks {
@@ -66,7 +67,6 @@ publishing {
             version = project.version as String
 
             from(components["java"])
-
         }
     }
 }