diff --git a/README.md b/README.md
index 9a500c2470..e56d7db123 100644
--- a/README.md
+++ b/README.md
@@ -135,7 +135,7 @@ In either case, upgrading to module version `v1.0.0` will trigger a recreation o
 | name | The name of the cluster (required) | string | n/a | yes |
 | network | The VPC network to host the cluster in (required) | string | n/a | yes |
 | network\_policy | Enable network policy addon | string | `"false"` | no |
-| network\_policy\_provider | The network policy provider. | string | `"PROVIDER_UNSPECIFIED"` | no |
+| network\_policy\_provider | The network policy provider. | string | `"CALICO"` | no |
 | network\_project\_id | The project ID of the shared VPC's host (for shared vpc support) | string | `""` | no |
 | node\_pools | List of maps containing node pools | list | `<list>` | no |
 | node\_pools\_labels | Map of maps containing node labels by node-pool name | map | `<map>` | no |
diff --git a/autogen/variables.tf b/autogen/variables.tf
index 67ced3b03b..49af377738 100644
--- a/autogen/variables.tf
+++ b/autogen/variables.tf
@@ -108,7 +108,7 @@ variable "network_policy" {
 
 variable "network_policy_provider" {
   description = "The network policy provider."
-  default     = "PROVIDER_UNSPECIFIED"
+  default     = "CALICO"
 }
 
 variable "maintenance_start_time" {
diff --git a/modules/private-cluster/README.md b/modules/private-cluster/README.md
index e7b6cc12a2..e50dc73b3f 100644
--- a/modules/private-cluster/README.md
+++ b/modules/private-cluster/README.md
@@ -144,7 +144,7 @@ In either case, upgrading to module version `v1.0.0` will trigger a recreation o
 | name | The name of the cluster (required) | string | n/a | yes |
 | network | The VPC network to host the cluster in (required) | string | n/a | yes |
 | network\_policy | Enable network policy addon | string | `"false"` | no |
-| network\_policy\_provider | The network policy provider. | string | `"PROVIDER_UNSPECIFIED"` | no |
+| network\_policy\_provider | The network policy provider. | string | `"CALICO"` | no |
 | network\_project\_id | The project ID of the shared VPC's host (for shared vpc support) | string | `""` | no |
 | node\_pools | List of maps containing node pools | list | `<list>` | no |
 | node\_pools\_labels | Map of maps containing node labels by node-pool name | map | `<map>` | no |
diff --git a/modules/private-cluster/variables.tf b/modules/private-cluster/variables.tf
index 841501ed69..005a04228e 100644
--- a/modules/private-cluster/variables.tf
+++ b/modules/private-cluster/variables.tf
@@ -108,7 +108,7 @@ variable "network_policy" {
 
 variable "network_policy_provider" {
   description = "The network policy provider."
-  default     = "PROVIDER_UNSPECIFIED"
+  default     = "CALICO"
 }
 
 variable "maintenance_start_time" {
diff --git a/variables.tf b/variables.tf
index 5c22867df7..2723a39df5 100644
--- a/variables.tf
+++ b/variables.tf
@@ -108,7 +108,7 @@ variable "network_policy" {
 
 variable "network_policy_provider" {
   description = "The network policy provider."
-  default     = "PROVIDER_UNSPECIFIED"
+  default     = "CALICO"
 }
 
 variable "maintenance_start_time" {