diff --git a/concierge-ck8s.yaml b/concierge-ck8s.yaml
index 4b513427..94d5a342 100644
--- a/concierge-ck8s.yaml
+++ b/concierge-ck8s.yaml
@@ -2,7 +2,7 @@
 # See LICENSE file for licensing details.
 
 juju:
-  channel: 3/stable
+  channel: 4/stable
   model-defaults:
     test-mode: "true"
     automatically-retry-hooks: "false"
diff --git a/concierge-lxd.yaml b/concierge-lxd.yaml
index 66d81bdc..8a5f6c40 100644
--- a/concierge-lxd.yaml
+++ b/concierge-lxd.yaml
@@ -2,7 +2,7 @@
 # See LICENSE file for licensing details.
 
 juju:
-  channel: 3/stable
+  channel: 4/stable
   model-defaults:
     test-mode: "true"
     automatically-retry-hooks: "false"