Make sure to add a new line at the end of XML files
diff --git a/update_version.py b/update_version.py
index 148e62b..fc4c15c 100755
--- a/update_version.py
+++ b/update_version.py
@@ -53,6 +53,7 @@
   if add_xml_prefix:
     file_handle.write('<?xml version="1.0" encoding="UTF-8"?>\n')
   file_handle.write(content)
+  file_handle.write('\n')
   file_handle.close()