diff --git a/build.py b/build.py
index 816be66..8498e4e 100644
--- a/build.py
+++ b/build.py
@@ -28,7 +28,7 @@ use_plugin("python.distutils")
 default_task = "publish"
 
 name = "ddadevops"
-version = "0.8.20-dev"
+version = "0.9.0"
 summary = "tools to support builds combining gopass, terraform, dda-pallet, aws & hetzner-cloud"
 description = __doc__
 authors = [Author("meissa GmbH", "buero@meissa-gmbh.de")]
diff --git a/src/main/resources/terraform/aws_provider.tf b/src/main/resources/terraform/aws_provider.tf
index dc58d9a..7f0e5d6 100644
--- a/src/main/resources/terraform/aws_provider.tf
+++ b/src/main/resources/terraform/aws_provider.tf
@@ -1,3 +1,12 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 3.0"
+    }
+  }
+}
+
 provider "aws" {
   region = var.region
 }
diff --git a/src/main/resources/terraform/hetzner_provider.tf b/src/main/resources/terraform/hetzner_provider.tf
index 4a5d3fe..2ca3aaf 100644
--- a/src/main/resources/terraform/hetzner_provider.tf
+++ b/src/main/resources/terraform/hetzner_provider.tf
@@ -1,4 +1,13 @@
 # Configure the Hetzner Cloud Provider
+terraform {
+  required_providers {
+    hcloud = {
+      source = "hetznercloud/hcloud"
+    }
+  }
+  required_version = ">= 0.13"
+}
+
 provider "hcloud" {
   token = var.hetzner_api_key
 }