diff --git a/google/cloud/tasks/v2/cloudtasks.proto b/google/cloud/tasks/v2/cloudtasks.proto
index f948426a36..d30aae519a 100644
--- a/google/cloud/tasks/v2/cloudtasks.proto
+++ b/google/cloud/tasks/v2/cloudtasks.proto
@@ -311,7 +311,7 @@ message ListQueuesRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "locations.googleapis.com/Location"
+      child_type: "cloudtasks.googleapis.com/Queue"
     }
   ];
 
@@ -388,7 +388,7 @@ message CreateQueueRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "locations.googleapis.com/Location"
+      child_type: "cloudtasks.googleapis.com/Queue"
     }
   ];
 
@@ -470,7 +470,7 @@ message ListTasksRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];
 
@@ -560,7 +560,7 @@ message CreateTaskRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];
 
diff --git a/google/cloud/tasks/v2beta2/cloudtasks.proto b/google/cloud/tasks/v2beta2/cloudtasks.proto
index 79274fc372..afea6919a6 100644
--- a/google/cloud/tasks/v2beta2/cloudtasks.proto
+++ b/google/cloud/tasks/v2beta2/cloudtasks.proto
@@ -396,7 +396,7 @@ message ListQueuesRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "locations.googleapis.com/Location"
+      child_type: "cloudtasks.googleapis.com/Queue"
     }
   ];
 
@@ -473,7 +473,7 @@ message CreateQueueRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "locations.googleapis.com/Location"
+      child_type: "cloudtasks.googleapis.com/Queue"
     }
   ];
 
@@ -555,7 +555,7 @@ message ListTasksRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];
 
@@ -645,7 +645,7 @@ message CreateTaskRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];
 
@@ -719,7 +719,7 @@ message LeaseTasksRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];
 
diff --git a/google/cloud/tasks/v2beta3/cloudtasks.proto b/google/cloud/tasks/v2beta3/cloudtasks.proto
index 431d5a73fc..711c7a6166 100644
--- a/google/cloud/tasks/v2beta3/cloudtasks.proto
+++ b/google/cloud/tasks/v2beta3/cloudtasks.proto
@@ -311,7 +311,7 @@ message ListQueuesRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "locations.googleapis.com/Location"
+      child_type: "cloudtasks.googleapis.com/Queue"
     }
   ];
 
@@ -388,7 +388,7 @@ message CreateQueueRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "locations.googleapis.com/Location"
+      child_type: "cloudtasks.googleapis.com/Queue"
     }
   ];
 
@@ -470,7 +470,7 @@ message ListTasksRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];
 
@@ -560,7 +560,7 @@ message CreateTaskRequest {
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
-      child_type: "cloudtasks.googleapis.com/Queue"
+      child_type: "cloudtasks.googleapis.com/Task"
     }
   ];