diff --git a/versions.tf b/versions.tf
new file mode 100644
index 0000000..7f96683
--- /dev/null
+++ b/versions.tf
@@ -0,0 +1,21 @@
+terraform {
+  required_version = "~> 0.13.3"
+  required_providers {
+    cloudflare = {
+      source  = "cloudflare/cloudflare"
+      version = " = 2.10.1"
+    }
+    google = {
+      source  = "hashicorp/google"
+      version = " = 3.40.0"
+    }
+    ansible = {
+      source  = "nbering/ansible"
+      version = " = 1.0.4"
+    }
+    pass = {
+      source  = "camptocamp/pass"
+      version = " = 1.4.0"
+    }
+  }
+}