diff --git a/samples/client/petstore/java/resttemplate/pom.xml b/samples/client/petstore/java/resttemplate/pom.xml
index 58196a10475..ec4e37a93d5 100644
--- a/samples/client/petstore/java/resttemplate/pom.xml
+++ b/samples/client/petstore/java/resttemplate/pom.xml
@@ -250,7 +250,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <swagger-annotations-version>1.5.17</swagger-annotations-version>
         <spring-web-version>4.3.9.RELEASE</spring-web-version>
-        <jackson-version>2.10.1</jackson-version>
+        <jackson-version>2.21.2</jackson-version>
         <jackson-threetenbp-version>2.6.4</jackson-threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.12</junit-version>