diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6a846d..7cff614 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ## [Unreleased] - yyyy-mm-dd
 
 ### Breaking changes
+- Set target JVM version to 17 ([#106](https://github.com/personio/datadog-synthetic-test-support/pull/106))
 
 ### New features & improvements
 
diff --git a/build.gradle.kts b/build.gradle.kts
index d63f696..fbaf126 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
 plugins {
     val kotlinVersion = "1.8.22"
     id("org.jetbrains.kotlin.jvm") version kotlinVersion
@@ -46,7 +48,7 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.3")
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.9.3")
     testImplementation("org.mockito:mockito-inline:5.2.0")
-    testImplementation("org.mockito.kotlin:mockito-kotlin:4.1.0")
+    testImplementation("org.mockito.kotlin:mockito-kotlin:5.0.0")
     testImplementation("io.kotest:kotest-runner-junit5-jvm:5.6.2")
 }
 
@@ -64,6 +66,11 @@ tasks {
             xml.outputLocation.set(buildDir.resolve("test-results/test/xml/jacocoReport.xml"))
         }
     }
+    withType<KotlinCompile> {
+        kotlinOptions {
+            jvmTarget = "17"
+        }
+    }
 }
 
 val javadocJar by tasks.creating(Jar::class) {