diff --git a/installers/charmed_install.sh b/installers/charmed_install.sh
index c35a5b3..3703ca6 100755
--- a/installers/charmed_install.sh
+++ b/installers/charmed_install.sh
@@ -15,6 +15,8 @@
 
 # set -eux
 
+LXD_VERSION=4.17
+JUJU_VERSION=2.8
 JUJU_AGENT_VERSION=2.8.9
 K8S_CLOUD_NAME="k8s-cloud"
 KUBECTL="microk8s.kubectl"
@@ -71,7 +73,7 @@
         export KUBECONFIG=${KUBECFG}
         KUBEGRP=$(id -g -n)
     fi
-    sudo snap install juju --classic --channel=2.8/stable
+    sudo snap install juju --classic --channel=$JUJU_VERSION/stable
 }
 
 function bootstrap_k8s_lxd(){
@@ -151,7 +153,7 @@
         sudo sysctl --system
         # Install LXD snap
         sudo apt-get remove --purge -y liblxc1 lxc-common lxcfs lxd lxd-client
-        sudo snap install lxd
+        sudo snap install lxd --channel $LXD_VERSION/stable
         # Configure LXD
         sudo usermod -a -G lxd `whoami`
         cat /usr/share/osm-devops/installers/lxd-preseed.conf | sed 's/^config: {}/config:\n  core.https_address: '$LXDENDPOINT':8443/' | sg lxd -c "lxd init --preseed"