diff --git a/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml b/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml
index c08c88023ff..b14749a8f7b 100644
--- a/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml
+++ b/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml
@@ -159,7 +159,7 @@
 	</build>
 
 	<properties>
-		<kotlin.compiler.incremental>true</kotlin.compiler.incremental>
-		<kotlin.version>1.3.50</kotlin.version>
+		<!--<kotlin.compiler.incremental>true</kotlin.compiler.incremental>-->
+		<kotlin.version>1.5.0</kotlin.version>
 	</properties>
 </project>