diff --git a/box.json b/box.json
index 64f259c..eb3ad5c 100644
--- a/box.json
+++ b/box.json
@@ -19,7 +19,7 @@
         "format:check": "cfformat check models/**/*.cfc,tests/Application.cfc,tests/resources/**/*.cfc,tests/specs/**/*.cfc,ModuleConfig.cfc"
     },
     "dependencies":{
-        "hyper":"^3.4.0"
+        "hyper":"^4.0.0"
     },
     "devDependencies":{
         "testbox":"^4.5.0+5",
diff --git a/models/TwilioClient.cfc b/models/TwilioClient.cfc
index 2092559..d3f7d45 100644
--- a/models/TwilioClient.cfc
+++ b/models/TwilioClient.cfc
@@ -40,15 +40,15 @@ component singleton accessors="true" {
             .setUrl( "/v1/PhoneNumbers/#trim( arguments.phoneNumber )#" );
 
         if ( arguments.withCallerName ) {
-            req.withQueryParams( { "Type": "caller-name" } );
+            req.appendQueryParam( "Type", "caller-name" );
         }
 
         for ( var type in arguments.types ) {
-            req.withQueryParams( { "Type": type } );
+            req.appendQueryParam( "Type", type );
         }
 
         for ( var addon in arguments.addons ) {
-            req.withQueryParams( { "AddOns": addon } );
+            req.appendQueryParam( "AddOns", addon );
         }
 
         return req;