diff --git a/mmv1/products/bigquery/Dataset.yaml b/mmv1/products/bigquery/Dataset.yaml
index 41c0fbf1491d..4e8540977f17 100644
--- a/mmv1/products/bigquery/Dataset.yaml
+++ b/mmv1/products/bigquery/Dataset.yaml
@@ -140,6 +140,11 @@ properties:
 
 
             * `allAuthenticatedUsers`: All authenticated BigQuery users.
+        - !ruby/object:Api::Type::String
+          name: 'iamMember'
+          description: |
+            Some other type of member that appears in the IAM Policy but isn't a user,
+            group, domain, or special group. For example: `allUsers`
         - !ruby/object:Api::Type::String
           name: 'userByEmail'
           description: |
diff --git a/mmv1/third_party/terraform/services/bigquery/resource_bigquery_dataset_test.go b/mmv1/third_party/terraform/services/bigquery/resource_bigquery_dataset_test.go
index 11c14014ace9..5125403c26f3 100644
--- a/mmv1/third_party/terraform/services/bigquery/resource_bigquery_dataset_test.go
+++ b/mmv1/third_party/terraform/services/bigquery/resource_bigquery_dataset_test.go
@@ -227,7 +227,7 @@ func TestAccBigQueryDataset_access(t *testing.T) {
 				ImportStateVerifyIgnore: []string{"labels", "terraform_labels"},
 			},
 			{
-				Config: testAccBigQueryDatasetWithTwoAccess(datasetID),
+				Config: testAccBigQueryDatasetWithThreeAccess(datasetID),
 			},
 			{
 				ResourceName:            "google_bigquery_dataset.access_test",
@@ -504,7 +504,7 @@ resource "google_bigquery_dataset" "access_test" {
 `, datasetID)
 }
 
-func testAccBigQueryDatasetWithTwoAccess(datasetID string) string {
+func testAccBigQueryDatasetWithThreeAccess(datasetID string) string {
 	return fmt.Sprintf(`
 resource "google_bigquery_dataset" "access_test" {
   dataset_id = "%s"
@@ -517,6 +517,10 @@ resource "google_bigquery_dataset" "access_test" {
     role   = "READER"
     domain = "hashicorp.com"
   }
+  access {
+    role       = "READER"
+    iam_member = "allUsers"
+  }
 
   labels = {
     env                         = "foo"