diff --git a/cluster/juju/layers/kubernetes-master/actions/create-rbd-pv b/cluster/juju/layers/kubernetes-master/actions/create-rbd-pv
index cebf989ee70..37a670cde92 100755
--- a/cluster/juju/layers/kubernetes-master/actions/create-rbd-pv
+++ b/cluster/juju/layers/kubernetes-master/actions/create-rbd-pv
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Copyright 2015 The Kubernetes Authors.
 #
diff --git a/cluster/juju/layers/kubernetes-worker/actions/microbot b/cluster/juju/layers/kubernetes-worker/actions/microbot
index ca146addc9b..e99d2ee3596 100755
--- a/cluster/juju/layers/kubernetes-worker/actions/microbot
+++ b/cluster/juju/layers/kubernetes-worker/actions/microbot
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Copyright 2015 The Kubernetes Authors.
 #