diff --git a/build.gradle b/build.gradle
index 3212546..3956fdb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,6 +22,7 @@
     testImplementation('org.springframework.boot:spring-boot-starter-test') {
         exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
     }
+    compile("com.fasterxml.jackson.core:jackson-databind")
 }
 
 test {