diff --git a/tpl/gcp/environment/gcs.tf.tt b/tpl/gcp/environment/gcs.tf.tt
index 7626286..0e4566c 100644
--- a/tpl/gcp/environment/gcs.tf.tt
+++ b/tpl/gcp/environment/gcs.tf.tt
@@ -10,7 +10,7 @@ terraform {
 # Store .tfstate in a GCS bucket
 data "terraform_remote_state" "tfstate" {
   backend = "gcs"
-  config {
+  config  = {
     bucket  = "<%= @cloud['gcp']['bucket_name'] %>"
     path    = "<%= @env_name %>-terraform.tfstate"
     project = "<%= @cloud['gcp']['project'] %>"
diff --git a/tpl/gcp/environment/main.tf.tt b/tpl/gcp/environment/main.tf.tt
index 5c919de..2f04522 100644
--- a/tpl/gcp/environment/main.tf.tt
+++ b/tpl/gcp/environment/main.tf.tt
@@ -1,6 +1,9 @@
 provider "google" {
-  credentials = "${file("<%= @cloud['gcp']['service_account'] %>")}"
-  project = "<%= @cloud['gcp']['project'] %>"
-  region = "<%= @cloud['region'] %>"
-  version = "2.12.0"
+  credentials = file("<%= @cloud['gcp']['service_account'] %>")
+  project     = "<%= @cloud['gcp']['project'] %>"
+  region      = "<%= @cloud['region'] %>"
+}
+
+terraform {
+  required_version = ">= 0.12"
 }
diff --git a/tpl/gcp/environment/outputs.tf.tt b/tpl/gcp/environment/outputs.tf.tt
index b531360..00f0e89 100644
--- a/tpl/gcp/environment/outputs.tf.tt
+++ b/tpl/gcp/environment/outputs.tf.tt
@@ -1,5 +1,5 @@
 output service_account_b64 {
-  description = "GCloud service account key"
-  value       = "${base64encode(file("<%= @cloud['gcp']['service_account'] %>"))}"
+  description = "Google Cloud service account key"
+  value       = base64encode(file("<%= @cloud['gcp']['service_account'] %>"))
   sensitive   = true
 }