diff --git a/build/terraform b/build/terraform
index 6c23c8f19829..ae68ac5bf9ad 160000
--- a/build/terraform
+++ b/build/terraform
@@ -1 +1 @@
-Subproject commit 6c23c8f198292f338664becce2d689644cb74b6b
+Subproject commit ae68ac5bf9adc8a2bdd948398b585174bb1d392b
diff --git a/build/terraform-beta b/build/terraform-beta
index 7ecae80e08e0..345b05d36b6f 160000
--- a/build/terraform-beta
+++ b/build/terraform-beta
@@ -1 +1 @@
-Subproject commit 7ecae80e08e09a486636bd4a0eb4a1e1d5e3f066
+Subproject commit 345b05d36b6fc1776a22bf7748269b88b5ca99e8
diff --git a/build/terraform-mapper b/build/terraform-mapper
index 5cfe2b1e7276..298cdf9db311 160000
--- a/build/terraform-mapper
+++ b/build/terraform-mapper
@@ -1 +1 @@
-Subproject commit 5cfe2b1e72769138e3ff224b8f3aa9148f165677
+Subproject commit 298cdf9db31167638ff4a534e0ad3a7b8a85f91c
diff --git a/third_party/terraform/resources/resource_container_cluster.go.erb b/third_party/terraform/resources/resource_container_cluster.go.erb
index 9b117e9f578e..22eff50b890f 100644
--- a/third_party/terraform/resources/resource_container_cluster.go.erb
+++ b/third_party/terraform/resources/resource_container_cluster.go.erb
@@ -769,7 +769,7 @@ func resourceContainerCluster() *schema.Resource {
 						"key_name": {
 							Type:     schema.TypeString,
 							ForceNew: true,
-							Required: true,
+							Optional: true,
 						},
 					},
 				},