diff --git a/build.gradle b/build.gradle
index 8838b9c..a968325 100644
--- a/build.gradle
+++ b/build.gradle
@@ -100,7 +100,7 @@ dependencies {
     errorprone 'com.google.errorprone:error_prone_core:2.41.0'
 
     // just tests
-    testCompileOnly 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+    testImplementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
 }
 
 tasks.withType(JavaCompile) {
diff --git a/gradle.properties b/gradle.properties
index 428b6e2..db4b332 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,4 +23,8 @@ hamcrest_version=2.2
 awaitility_version=2.0.0
 reactor_core_version=3.6.6
 caffeine_version=3.1.8
-reactive_streams_version=1.0.3
\ No newline at end of file
+reactive_streams_version=1.0.3
+# Prevents the Kotlin stdlib being a POM dependency
+#
+# https://kotlinlang.org/docs/gradle-configure-project.html#dependency-on-the-standard-library
+kotlin.stdlib.default.dependency=false
\ No newline at end of file