diff --git a/plugins/External/Kotlin/edu.toronto.cs.se.mmint.kotlin/pom.xml b/plugins/External/Kotlin/edu.toronto.cs.se.mmint.kotlin/pom.xml
index 9dd5a84d72..57ca5eb824 100644
--- a/plugins/External/Kotlin/edu.toronto.cs.se.mmint.kotlin/pom.xml
+++ b/plugins/External/Kotlin/edu.toronto.cs.se.mmint.kotlin/pom.xml
@@ -15,7 +15,7 @@
   <artifactId>edu.toronto.cs.se.mmint.kotlin</artifactId>
   <packaging>eclipse-plugin</packaging>
   <properties>
-    <kotlin-version>2.3.20</kotlin-version>
+    <kotlin-version>2.3.21</kotlin-version>
   </properties>
   <parent>
   	<groupId>MMINT</groupId>