diff --git a/tofu/main.tf b/tofu/main.tf
index ff6886ec..05c25edf 100644
--- a/tofu/main.tf
+++ b/tofu/main.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.5.3"
+  required_version = ">= 1.6.0"
   required_providers {
     openstack = {
       source  = "terraform-provider-openstack/openstack"