diff --git a/terraform/provider.tf b/terraform/provider.tf
index 49338ce..4630141 100755
--- a/terraform/provider.tf
+++ b/terraform/provider.tf
@@ -1,10 +1,14 @@
 terraform {
+  required_version = ">= 1.0"
+
   required_providers {
     ansible = {
-      source = "ansible/ansible"
+      source  = "ansible/ansible"
+      version = "~> 1.3"
     }
     vault = {
-      source = "hashicorp/vault"
+      source  = "hashicorp/vault"
+      version = "~> 4.0"
     }
   }
 }