diff --git a/build.gradle.kts b/build.gradle.kts
index d82232a7..14ad78c2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,16 +4,52 @@ plugins {
   id("net.ossindex.audit") version "0.4.11"
   id("io.freefair.maven-central.validate-poms") version "6.2.0"
   id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
+  id("org.jetbrains.kotlin.jvm") version "1.5.31" apply false
+  id("org.jetbrains.kotlin.kapt") version "1.5.31" apply false
 }
 
 val dependencyVersions = listOf(
+  "com.fasterxml.jackson.core:jackson-databind:2.9.10.8",
+  "com.squareup.moshi:moshi:1.12.0",
+  "com.squareup.okio:okio:2.10.0",
+  "org.apache.commons:commons-lang3:3.12.0",
+  "org.apiguardian:apiguardian-api:1.1.0",
   "org.codehaus.groovy:groovy:3.0.9",
   "org.codehaus.groovy:groovy-json:3.0.9",
-  "org.jetbrains:annotations:22.0.0"
+  "org.jetbrains:annotations:22.0.0",
+  "org.jetbrains.kotlin:kotlin-reflect:1.5.31",
+  "org.jetbrains.kotlin:kotlin-stdlib:1.5.31",
+  "org.jetbrains.kotlin:kotlin-stdlib-common:1.5.31",
+  "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.5.31",
+  "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.5.31",
+  "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.2",
+  "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.5.2",
+  "org.junit:junit-bom:5.8.1",
+  "org.junit.jupiter:junit-jupiter-api:5.8.1",
+  "org.junit.platform:junit-platform-commons:1.8.0",
+  "org.junit.platform:junit-platform-engine:1.8.0",
+  "org.junit.platform:junit-platform-launcher:1.8.0",
+  "org.junit.platform:junit-platform-suite-api:1.8.0",
+  "org.opentest4j:opentest4j:1.2.0"
 )
 
 val dependencyVersionsByGroup = mapOf<String, String>()
 
+allprojects {
+  configurations.all {
+    resolutionStrategy {
+      failOnVersionConflict()
+      force(dependencyVersions)
+      eachDependency {
+        val forcedVersion = dependencyVersionsByGroup[requested.group]
+        if (forcedVersion != null) {
+          useVersion(forcedVersion)
+        }
+      }
+    }
+  }
+}
+
 subprojects {
   repositories {
 //    mavenLocal()
diff --git a/client/build.gradle.kts b/client/build.gradle.kts
index 22984626..1bf0097b 100644
--- a/client/build.gradle.kts
+++ b/client/build.gradle.kts
@@ -68,7 +68,7 @@ dependencies {
   api("de.gesellix:docker-engine:2021-10-31T22-36-00")
   api("de.gesellix:docker-compose:2021-09-21T08-00-00")
 
-  implementation("org.codehaus.groovy:groovy:[2.5,)")
+  api("org.codehaus.groovy:groovy:[2.5,)")
   implementation("org.codehaus.groovy:groovy-json:[2.5,)")
 
   api("com.squareup.moshi:moshi:[1.12.0,2)")