diff --git a/plugins/source/aws/docs/tables/aws_ec2_transit_gateways.md b/plugins/source/aws/docs/tables/aws_ec2_transit_gateways.md
index 5a4b124cfaf8dc..d690121b246202 100644
--- a/plugins/source/aws/docs/tables/aws_ec2_transit_gateways.md
+++ b/plugins/source/aws/docs/tables/aws_ec2_transit_gateways.md
@@ -2,7 +2,7 @@
 
 https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_TransitGateway.html
 
-The primary key for this table is **arn**.
+The composite primary key for this table is (**account_id**, **region**, **arn**).
 
 ## Relations
 
@@ -21,8 +21,8 @@ The following tables depend on aws_ec2_transit_gateways:
 |_cq_sync_time|Timestamp|
 |_cq_id|UUID|
 |_cq_parent_id|UUID|
-|account_id|String|
-|region|String|
+|account_id (PK)|String|
+|region (PK)|String|
 |id|String|
 |arn (PK)|String|
 |tags|JSON|
diff --git a/plugins/source/aws/resources/services/ec2/transit_gateways.go b/plugins/source/aws/resources/services/ec2/transit_gateways.go
index d2c570d5d28dcd..119eea52a95f4e 100644
--- a/plugins/source/aws/resources/services/ec2/transit_gateways.go
+++ b/plugins/source/aws/resources/services/ec2/transit_gateways.go
@@ -15,8 +15,8 @@ func TransitGateways() *schema.Table {
 		Multiplex:   client.ServiceAccountRegionMultiplexer("ec2"),
 		Transform:   transformers.TransformWithStruct(&types.TransitGateway{}),
 		Columns: []schema.Column{
-			client.DefaultAccountIDColumn(false),
-			client.DefaultRegionColumn(false),
+			client.DefaultAccountIDColumn(true),
+			client.DefaultRegionColumn(true),
 			{
 				Name:     "id",
 				Type:     schema.TypeString,