diff --git a/independent-projects/arc/pom.xml b/independent-projects/arc/pom.xml
index 9d9682067cc54..51966047c57d2 100644
--- a/independent-projects/arc/pom.xml
+++ b/independent-projects/arc/pom.xml
@@ -54,7 +54,7 @@
         <!-- test versions -->
         <version.assertj>3.27.6</version.assertj>
         <version.junit5>5.13.4</version.junit5>
-        <version.kotlin>2.2.20</version.kotlin>
+        <version.kotlin>2.2.21</version.kotlin>
         <version.kotlin-coroutines>1.10.2</version.kotlin-coroutines>
         <version.mockito>5.20.0</version.mockito>
         <!-- TCK versions -->