diff --git a/iris/__init__.py b/iris/__init__.py
index e92f1ae3..6608d03e 100644
--- a/iris/__init__.py
+++ b/iris/__init__.py
@@ -2,7 +2,7 @@
 __author__  = 'Laurent P. René de Cotret'
 __email__   = 'laurent.renedecotret@mail.mcgill.ca'
 __license__ = 'MIT'
-__version__ = '5.0a1'
+__version__ = '5.0a2'
 
 # Versioning should be compliant with PyPI guide 
 # https://packaging.python.org/tutorials/distributing-packages/#choosing-a-versioning-scheme