diff --git a/pom.xml b/pom.xml
index 1757a57..604f3cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -192,7 +192,7 @@
             <dependency>
                 <groupId>org.jetbrains.kotlin</groupId>
                 <artifactId>kotlin-stdlib-jdk8</artifactId>
-                <version>2.1.0</version>
+                <version>2.1.20</version>
             </dependency>
             <dependency>
                 <groupId>org.hamcrest</groupId>