diff --git a/build.gradle b/build.gradle
index a048a10..0de96c9 100755
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,7 @@ dependencies {
     implementation 'com.sparkjava:spark-core:2.9.4'
  
     // Vonage client library
-    implementation 'com.vonage:client:7.2.0'
+    implementation 'com.vonage:client:9.3.0'
     
     // Templating engine
     implementation 'com.sparkjava:spark-template-handlebars:2.7.1'