diff --git a/terraform/README.md b/terraform/README.md
index 6ea3174..14e36e5 100644
--- a/terraform/README.md
+++ b/terraform/README.md
@@ -3,7 +3,7 @@
 This is a Terraform module facilitating the deployment of the kubeflow-volumes charm, using the [Terraform juju provider](https://github.com/juju/terraform-provider-juju/). For more information, refer to the provider [documentation](https://registry.terraform.io/providers/juju/juju/latest/docs). 
 
 ## Compatibility
-This terraform module is compatible with charms of version >= ckf-1.8.
+This terraform module is compatible with charms of version >= 1.9 due to changes in the charm's relations.
 
 ## Requirements
 This module requires a `juju` model to be available. Refer to the [usage section](#usage) below for more details.