diff --git a/module2/pom.xml b/module2/pom.xml
index 6bec2b5..be0ceee 100644
--- a/module2/pom.xml
+++ b/module2/pom.xml
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.module</groupId>
       <artifactId>jackson-module-kotlin</artifactId>
-      <version>2.9.6</version>
+      <version>2.21.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>