diff --git a/tests/testsuite/pom.xml b/tests/testsuite/pom.xml
index 87211a303..468972599 100644
--- a/tests/testsuite/pom.xml
+++ b/tests/testsuite/pom.xml
@@ -43,7 +43,7 @@
         <plugin-update-file-checksum>a9c106f16f2d959e2db68534062e7623</plugin-update-file-checksum>
         <sonar.coverage.jacoco.xmlReportPaths>../../coverage/target/site/jacoco-aggregate/jacoco.xml
         </sonar.coverage.jacoco.xmlReportPaths>
-        <kotlin.version>1.5.21</kotlin.version>
+        <kotlin.version>1.6.0</kotlin.version>
     </properties>
 
     <dependencyManagement>