diff --git a/charms/jupyter-controller/terraform/versions.tf b/charms/jupyter-controller/terraform/versions.tf
index ac2b40d0..caaacf5a 100644
--- a/charms/jupyter-controller/terraform/versions.tf
+++ b/charms/jupyter-controller/terraform/versions.tf
@@ -3,7 +3,7 @@ terraform {
   required_providers {
     juju = {
       source  = "juju/juju"
-      version = ">= 0.14.0"
+      version = ">= 0.14.0, < 1.0.0"
     }
   }
 }
diff --git a/charms/jupyter-ui/terraform/versions.tf b/charms/jupyter-ui/terraform/versions.tf
index ac2b40d0..caaacf5a 100644
--- a/charms/jupyter-ui/terraform/versions.tf
+++ b/charms/jupyter-ui/terraform/versions.tf
@@ -3,7 +3,7 @@ terraform {
   required_providers {
     juju = {
       source  = "juju/juju"
-      version = ">= 0.14.0"
+      version = ">= 0.14.0, < 1.0.0"
     }
   }
 }