diff --git a/lab/__init__.py b/lab/__init__.py
index 9dfa46bb8..4b6e9b9d4 100644
--- a/lab/__init__.py
+++ b/lab/__init__.py
@@ -16,4 +16,4 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #: Lab version number. A "+" is appended to all non-tagged revisions.
-__version__ = '4.2+'
+__version__ = '5.0'