diff --git a/terraform/main.tf b/terraform/main.tf
index a2cf344..19768d3 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -28,6 +28,7 @@ module "gnbsim" {
   source = "git::https://github.com/canonical/sdcore-gnbsim-k8s-operator//terraform"
 
   model      = juju_model.ran-simulator.name
+  revision   = 643
   depends_on = [module.sdcore-router]
 }