diff --git a/tools/misbehaving-jmx-server/pom.xml b/tools/misbehaving-jmx-server/pom.xml
index e6f2916e..0457da67 100644
--- a/tools/misbehaving-jmx-server/pom.xml
+++ b/tools/misbehaving-jmx-server/pom.xml
@@ -17,7 +17,7 @@
     <java.version>11</java.version>
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
-    <jackson.version>2.18.6</jackson.version>
+    <jackson.version>2.21.2</jackson.version>
   </properties>
 
   <dependencies>