diff --git a/releasenotes/notes/upgrade-lxc-4750ba9aea7b5cd1.yaml b/releasenotes/notes/upgrade-lxc-4750ba9aea7b5cd1.yaml
new file mode 100644
index 00000000..3393858f
--- /dev/null
+++ b/releasenotes/notes/upgrade-lxc-4750ba9aea7b5cd1.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - Hosts running LXC on Ubuntu 14.04 will now need to enable
+    the "trusty-backports" repository. The backports repo on
+    Ubuntu 14.04 is now required to ensure LXC is updated to
+    the latest stable version.
diff --git a/tasks/lxc_install_apt.yml b/tasks/lxc_install_apt.yml
index a0bf4c77..c61c1ab8 100644
--- a/tasks/lxc_install_apt.yml
+++ b/tasks/lxc_install_apt.yml
@@ -33,7 +33,8 @@
 - name: Install apt packages
   apt:
     pkg: "{{ item }}"
-    state: present
+    state: latest
+    default_release: "{{ lxc_default_release | default(omit) }}"
   register: install_packages
   until: install_packages|success
   retries: 5
diff --git a/vars/ubuntu-14.04.yml b/vars/ubuntu-14.04.yml
index 3e25235b..98efdb7f 100644
--- a/vars/ubuntu-14.04.yml
+++ b/vars/ubuntu-14.04.yml
@@ -122,3 +122,5 @@ lxc_cache_packages:
 lxc_cached_network_interfaces:
   - src: "lxc-net-bridge.cfg.j2"
     dest: "/etc/network/interfaces.d/lxc-net-bridge.cfg"
+
+lxc_default_release: "trusty-backports"