diff --git a/setup.py b/setup.py
index 87c5e75..12bb7e6 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@ except ImportError:
     pass
 
 __project__      = 'gpiozero'
-__version__      = '1.4'
+__version__      = '1.4.0'
 __author__       = 'Ben Nuttall'
 __author_email__ = 'ben@raspberrypi.org'
 __url__          = 'https://github.com/RPi-Distro/python-gpiozero'