diff --git a/README.md b/README.md
index c8c7af7..9fac824 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ hook to wait for all three nodes to come up, and then write their addresses
 to ceph.conf in the "mon host" parameter. After we initialize the monitor
 cluster a quorum forms quickly, and OSD bringup proceeds.
 
-The osds use so-called "OSD hotplugging". **ceph-disk-prepare** is used to
+The osds use so-called "OSD hotplugging". **ceph-disk prepare** is used to
 create the filesystems with a special GPT partition type. *udev* is set up
 to mount such filesystems and start the osd daemons as their storage becomes
 visible to the system (or after `udevadm trigger`).
diff --git a/charm-helpers-hooks.yaml b/charm-helpers-hooks.yaml
index eeee6f8..3177ba1 100644
--- a/charm-helpers-hooks.yaml
+++ b/charm-helpers-hooks.yaml
@@ -9,5 +9,6 @@ include:
         - ceph
     - payload.execd
     - contrib.openstack.alternatives
+    - contrib.openstack.utils
     - contrib.network.ip
     - contrib.charmsupport
diff --git a/files/upstart/ceph-hotplug.conf b/files/upstart/ceph-hotplug.conf
index 7020452..d82e7c8 100644
--- a/files/upstart/ceph-hotplug.conf
+++ b/files/upstart/ceph-hotplug.conf
@@ -8,4 +8,4 @@ stop on runlevel [!2345]
 task
 instance $DEVNAME
 
-exec /usr/sbin/ceph-disk-activate --mount -- "$DEVNAME"
+exec /usr/sbin/ceph-disk activate --mount -- "$DEVNAME"
diff --git a/hooks/ceph.py b/hooks/ceph.py
index 1d77030..ff3a7a4 100644
--- a/hooks/ceph.py
+++ b/hooks/ceph.py
@@ -131,10 +131,10 @@ def start_osds(devices):
     # Scan for ceph block devices
     rescan_osd_devices()
     if cmp_pkgrevno('ceph', "0.56.6") >= 0:
-        # Use ceph-disk-activate for directory based OSD's
+        # Use ceph-disk activate for directory based OSD's
         for dev_or_path in devices:
             if os.path.exists(dev_or_path) and os.path.isdir(dev_or_path):
-                subprocess.check_call(['ceph-disk-activate', dev_or_path])
+                subprocess.check_call(['ceph-disk', 'activate', dev_or_path])
 
 
 def rescan_osd_devices():
@@ -367,7 +367,7 @@ def osdize_dev(dev, osd_format, osd_journal, reformat_osd=False,
         return
 
     status_set('maintenance', 'Initializing device {}'.format(dev))
-    cmd = ['ceph-disk-prepare']
+    cmd = ['ceph-disk', 'prepare']
     # Later versions of ceph support more options
     if cmp_pkgrevno('ceph', '0.48.3') >= 0:
         if osd_format:
@@ -407,7 +407,8 @@ def osdize_dir(path):
 
     mkdir(path)
     cmd = [
-        'ceph-disk-prepare',
+        'ceph-disk',
+        'prepare',
         '--data-dir',
         path
     ]