diff --git a/build.gradle b/build.gradle
index d439492..284ac06 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,8 @@
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     // a dependency on Jackson Databind
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.11.4'
-
+    
+    implementation 'io.vertx:vertx-core:3.5.3'
 }
 
 test {