diff --git a/README.md b/README.md
index 36f03c17..1a34def3 100644
--- a/README.md
+++ b/README.md
@@ -189,24 +189,10 @@ determining that location is as follows:
 -   [gcloud sdk](https://cloud.google.com/sdk/install) >= 269.0.0
 -   [jq](https://stedolan.github.io/jq/) >= 1.6
 -   [Terraform](https://www.terraform.io/downloads.html) >= 0.13.0
--   [terraform-provider-google] plugin >= 3.1, < 4.0
--   [terraform-provider-google-beta] plugin >= 3.1, < 4.0
+-   [terraform-provider-google] plugin ~> 4.5
+-   [terraform-provider-google-beta] plugin ~> 4.5
 -   [terraform-provider-gsuite] plugin 0.1.x if GSuite functionality is desired
 
-#### `terraform-provider-google` version 2.x
-
-Starting with version `6.3.0` of this module, `google_billing_budget` resources can now be created. This increases the minimum `terraform-provider-google` version to `3.1.0`
-
-To continue to use a version `>= 2.1, < 3.1` of the google provider pin this module to `6.2.1`. Or use the `core_project_factory` submodule directly.
-
-```hcl
-module "project-factory" {
-  source  = "terraform-google-modules/project-factory/google"
-  version = "~> 6.2.1"
-  ...
-}
-```
-
 ### Permissions
 
 In order to execute this module you must have a Service Account with the
diff --git a/test/fixtures/minimal/main.tf b/test/fixtures/minimal/main.tf
index 6cdb95c7..69d1b559 100644
--- a/test/fixtures/minimal/main.tf
+++ b/test/fixtures/minimal/main.tf
@@ -14,22 +14,27 @@
  * limitations under the License.
  */
 
-provider "google" {
-  version = "~> 4.5"
+terraform {
+  required_version = ">= 0.13"
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "~> 4.5"
+    }
+    google-beta = {
+      source  = "hashicorp/google-beta"
+      version = "~> 4.5"
+    }
+    null = {
+      source  = "hashicorp/null"
+      version = "~> 2.1"
+    }
+    random = {
+      source  = "hashicorp/random"
+      version = "~> 2.2"
+    }
+  }
 }
-
-provider "google-beta" {
-  version = "~> 4.5"
-}
-
-provider "null" {
-  version = "~> 2.1"
-}
-
-provider "random" {
-  version = "~> 2.2"
-}
-
 module "project-factory" {
   source = "../../../"
 
diff --git a/test/fixtures/shared_vpc_no_subnets/main.tf b/test/fixtures/shared_vpc_no_subnets/main.tf
index afd7cdc1..ba18d8e5 100644
--- a/test/fixtures/shared_vpc_no_subnets/main.tf
+++ b/test/fixtures/shared_vpc_no_subnets/main.tf
@@ -14,12 +14,29 @@
  * limitations under the License.
  */
 
-provider "google" {
-  version = "~> 4.5"
-}
-
-provider "google-beta" {
-  version = "~> 4.5"
+terraform {
+  required_version = ">= 0.13"
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "~> 4.5"
+    }
+    google-beta = {
+      source  = "hashicorp/google-beta"
+      version = "~> 4.5"
+    }
+    null = {
+      source  = "hashicorp/null"
+      version = "~> 2.1"
+    }
+    random = {
+      source  = "hashicorp/random"
+      version = "~> 2.2"
+    }
+    gsuite = {
+      version = "~> 0.1.12"
+    }
+  }
 }
 
 provider "gsuite" {
@@ -29,16 +46,6 @@ provider "gsuite" {
     "https://www.googleapis.com/auth/admin.directory.group",
     "https://www.googleapis.com/auth/admin.directory.group.member",
   ]
-
-  version = "~> 0.1.12"
-}
-
-provider "null" {
-  version = "~> 2.1"
-}
-
-provider "random" {
-  version = "~> 2.2"
 }
 
 module "project-factory" {