diff --git a/scripts/mp_update.py b/scripts/mp_update.py
new file mode 100644
index 000000000..519231516
--- /dev/null
+++ b/scripts/mp_update.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python2
+import sys
+from argparse import ArgumentParser
+from launchpadlib.launchpad import Launchpad
+
+
+def parse_args():
+    """
+    Parse the command line arguments
+    """
+    parser = ArgumentParser()
+    parser.add_argument('-p', '--merge-proposal', required=True,
+                        help='The main part of the URL to the merge proposal, without the hostname.')
+    parser.add_argument('-m', '--message', required=True,
+                        help='The comment to add to the merge proposal')
+    return parser.parse_args()
+
+
+def get_merge_proposal(merge_proposal_url):
+    """
+    Get the merge proposal for the ``merge_proposal_url``
+    """
+    lp = Launchpad.login_with('OpenLP CI', 'production', version='devel')
+    openlp_project = lp.projects['openlp']
+    merge_proposals = openlp_project.getMergeProposals()
+    for merge_proposal in merge_proposals:
+        if str(merge_proposal).endwith(merge_proposal_url):
+            return merge_proposal
+    return None
+
+
+def create_comment(merge_proposal, comment):
+    """
+    Create a comment on the merge proposal
+    """
+    merge_proposal.createComment(subject='comment', content=comment)
+
+
+def main():
+    """
+    Run the thing
+    """
+    args = parse_args()
+    merge_proposal = get_merge_proposal(args.merge_proposal)
+    if not merge_proposal:
+        print('No merge proposal with that URL found')
+        sys.exit(1)
+    else:
+        create_comment(merge_proposal, args.message)
diff --git a/setup.py b/setup.py
index 2d87d5f98..a28fa0300 100755
--- a/setup.py
+++ b/setup.py
@@ -99,7 +99,7 @@ try:
     if tree_revision == tag_revision:
         version_string = tag_version.decode('utf-8')
     else:
-        version_string = '{version}-dev{revision}'.format(version=tag_version.decode('utf-8'),
+        version_string = '{version}.dev{revision}'.format(version=tag_version.decode('utf-8'),
                                                           revision=tree_revision.decode('utf-8'))
     ver_file = open(VERSION_FILE, 'w')
     ver_file.write(version_string)