diff --git a/pom.xml b/pom.xml
index ba11116..8cd5e95 100644
--- a/pom.xml
+++ b/pom.xml
@@ -81,7 +81,7 @@
         <checkstyle.maxAllowedViolations>10</checkstyle.maxAllowedViolations>
 
         <com.puppycrawl.checkstyle.version>10.20.1</com.puppycrawl.checkstyle.version>
-        <fasterxml.jackson.version>2.18.1</fasterxml.jackson.version>
+        <fasterxml.jackson.version>2.21</fasterxml.jackson.version>
         <tagchowder.version>2.0.29</tagchowder.version>
 
         <!-- test dependencies -->