diff --git a/api.md b/api.md
index 4c6c563303..7e88a7e67a 100644
--- a/api.md
+++ b/api.md
@@ -1325,11 +1325,13 @@ Methods:
 Types:
 
 - <code><a href="./src/resources/certificate-authorities/hostname-associations.ts">TLSHostnameAssociation</a></code>
+- <code><a href="./src/resources/certificate-authorities/hostname-associations.ts">HostnameAssociationUpdateResponse</a></code>
+- <code><a href="./src/resources/certificate-authorities/hostname-associations.ts">HostnameAssociationGetResponse</a></code>
 
 Methods:
 
-- <code title="put /zones/{zone_id}/certificate_authorities/hostname_associations">client.certificateAuthorities.hostnameAssociations.<a href="./src/resources/certificate-authorities/hostname-associations.ts">update</a>({ ...params }) -> TLSHostnameAssociation</code>
-- <code title="get /zones/{zone_id}/certificate_authorities/hostname_associations">client.certificateAuthorities.hostnameAssociations.<a href="./src/resources/certificate-authorities/hostname-associations.ts">get</a>({ ...params }) -> TLSHostnameAssociation</code>
+- <code title="put /zones/{zone_id}/certificate_authorities/hostname_associations">client.certificateAuthorities.hostnameAssociations.<a href="./src/resources/certificate-authorities/hostname-associations.ts">update</a>({ ...params }) -> HostnameAssociationUpdateResponse</code>
+- <code title="get /zones/{zone_id}/certificate_authorities/hostname_associations">client.certificateAuthorities.hostnameAssociations.<a href="./src/resources/certificate-authorities/hostname-associations.ts">get</a>({ ...params }) -> HostnameAssociationGetResponse</code>
 
 # ClientCertificates
 
diff --git a/src/resources/certificate-authorities/certificate-authorities.ts b/src/resources/certificate-authorities/certificate-authorities.ts
index fe8a058f1e..8d99237054 100644
--- a/src/resources/certificate-authorities/certificate-authorities.ts
+++ b/src/resources/certificate-authorities/certificate-authorities.ts
@@ -11,6 +11,8 @@ export class CertificateAuthorities extends APIResource {
 export namespace CertificateAuthorities {
   export import HostnameAssociations = HostnameAssociationsAPI.HostnameAssociations;
   export import TLSHostnameAssociation = HostnameAssociationsAPI.TLSHostnameAssociation;
+  export import HostnameAssociationUpdateResponse = HostnameAssociationsAPI.HostnameAssociationUpdateResponse;
+  export import HostnameAssociationGetResponse = HostnameAssociationsAPI.HostnameAssociationGetResponse;
   export import HostnameAssociationUpdateParams = HostnameAssociationsAPI.HostnameAssociationUpdateParams;
   export import HostnameAssociationGetParams = HostnameAssociationsAPI.HostnameAssociationGetParams;
 }
diff --git a/src/resources/certificate-authorities/hostname-associations.ts b/src/resources/certificate-authorities/hostname-associations.ts
index 9b76ebc5fc..f3813c2926 100644
--- a/src/resources/certificate-authorities/hostname-associations.ts
+++ b/src/resources/certificate-authorities/hostname-associations.ts
@@ -11,13 +11,13 @@ export class HostnameAssociations extends APIResource {
   update(
     params: HostnameAssociationUpdateParams,
     options?: Core.RequestOptions,
-  ): Core.APIPromise<TLSHostnameAssociation> {
+  ): Core.APIPromise<HostnameAssociationUpdateResponse> {
     const { zone_id, ...body } = params;
     return (
       this._client.put(`/zones/${zone_id}/certificate_authorities/hostname_associations`, {
         body,
         ...options,
-      }) as Core.APIPromise<{ result: TLSHostnameAssociation }>
+      }) as Core.APIPromise<{ result: HostnameAssociationUpdateResponse }>
     )._thenUnwrap((obj) => obj.result);
   }
 
@@ -27,13 +27,13 @@ export class HostnameAssociations extends APIResource {
   get(
     params: HostnameAssociationGetParams,
     options?: Core.RequestOptions,
-  ): Core.APIPromise<TLSHostnameAssociation> {
+  ): Core.APIPromise<HostnameAssociationGetResponse> {
     const { zone_id, ...query } = params;
     return (
       this._client.get(`/zones/${zone_id}/certificate_authorities/hostname_associations`, {
         query,
         ...options,
-      }) as Core.APIPromise<{ result: TLSHostnameAssociation }>
+      }) as Core.APIPromise<{ result: HostnameAssociationGetResponse }>
     )._thenUnwrap((obj) => obj.result);
   }
 }
@@ -49,6 +49,14 @@ export interface TLSHostnameAssociation {
   mtls_certificate_id?: string;
 }
 
+export interface HostnameAssociationUpdateResponse {
+  hostnames?: Array<string>;
+}
+
+export interface HostnameAssociationGetResponse {
+  hostnames?: Array<string>;
+}
+
 export interface HostnameAssociationUpdateParams {
   /**
    * Path param: Identifier
@@ -85,6 +93,8 @@ export interface HostnameAssociationGetParams {
 
 export namespace HostnameAssociations {
   export import TLSHostnameAssociation = HostnameAssociationsAPI.TLSHostnameAssociation;
+  export import HostnameAssociationUpdateResponse = HostnameAssociationsAPI.HostnameAssociationUpdateResponse;
+  export import HostnameAssociationGetResponse = HostnameAssociationsAPI.HostnameAssociationGetResponse;
   export import HostnameAssociationUpdateParams = HostnameAssociationsAPI.HostnameAssociationUpdateParams;
   export import HostnameAssociationGetParams = HostnameAssociationsAPI.HostnameAssociationGetParams;
 }
diff --git a/src/resources/certificate-authorities/index.ts b/src/resources/certificate-authorities/index.ts
index 2d3fc925a1..59f26ddb90 100644
--- a/src/resources/certificate-authorities/index.ts
+++ b/src/resources/certificate-authorities/index.ts
@@ -3,6 +3,8 @@
 export { CertificateAuthorities } from './certificate-authorities';
 export {
   TLSHostnameAssociation,
+  HostnameAssociationUpdateResponse,
+  HostnameAssociationGetResponse,
   HostnameAssociationUpdateParams,
   HostnameAssociationGetParams,
   HostnameAssociations,