Index: backend/pom.xml
===================================================================
--- backend/pom.xml	(revision 3ebe47cce61b3bfc1dee2566f7475e378374591e)
+++ backend/pom.xml	(revision 37307aadda57d1e5b86180b9b2b8a6318ec36095)
@@ -51,4 +51,9 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webmvc</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
         </dependency>
         <dependency>