diff --git a/src/v1beta1/phishing_protection_service_v1_beta1_client.ts b/src/v1beta1/phishing_protection_service_v1_beta1_client.ts
index e8b14b76..f0d694dc 100644
--- a/src/v1beta1/phishing_protection_service_v1_beta1_client.ts
+++ b/src/v1beta1/phishing_protection_service_v1_beta1_client.ts
@@ -279,7 +279,7 @@ export class PhishingProtectionServiceV1Beta1Client {
   // -- Service calls --
   // -------------------
   reportPhishing(
-    request: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
+    request?: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -339,7 +339,7 @@ export class PhishingProtectionServiceV1Beta1Client {
    * const [response] = await client.reportPhishing(request);
    */
   reportPhishing(
-    request: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
+    request?: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<