diff --git a/sub2/pom.xml b/sub2/pom.xml
index dc6b4b3..2d8c3ba 100644
--- a/sub2/pom.xml
+++ b/sub2/pom.xml
@@ -38,7 +38,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.5.1</version>
+            <version>2.12.7.1</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.jaxrs</groupId>