diff --git a/buildSrc/src/main/kotlin/twomartens.java.gradle.kts b/buildSrc/src/main/kotlin/twomartens.java.gradle.kts
index 682fa8c..7361281 100644
--- a/buildSrc/src/main/kotlin/twomartens.java.gradle.kts
+++ b/buildSrc/src/main/kotlin/twomartens.java.gradle.kts
@@ -18,7 +18,7 @@ dependencies {
     runtimeOnly(libs.bundles.logging)
 
     testImplementation(libs.bundles.test)
-    testImplementation(kotlin("test-junit5"))
+    testRuntimeOnly(libs.junit.launcher)
 }
 
 configurations {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 738f3c0..e4a908e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -67,6 +67,7 @@ log4j-jul = { module = "org.apache.logging.log4j:log4j-jul", version.ref = "log4
 log4j-slf4j = { module = "org.apache.logging.log4j:log4j-slf4j2-impl", version.ref = "log4j" }
 junit-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit" }
 junit-jupiter-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junit" }
+junit-launcher = { module = "org.junit.platform:junit-platform-launcher" }
 assertj = { module = "org.assertj:assertj-core", version.ref = "assertj" }
 mockito-core = { module = "org.mockito:mockito-core", version.ref = "mockito" }
 mockito-inline = "org.mockito:mockito-inline:5.2.0"