diff --git a/datamatrix/__init__.py b/datamatrix/__init__.py
index bb8bb41..ba24a83 100644
--- a/datamatrix/__init__.py
+++ b/datamatrix/__init__.py
@@ -28,6 +28,6 @@
 from datamatrix._datamatrix._nifticolumn import NiftiColumn
 from datamatrix._datamatrix._datamatrix import DataMatrix
 
-__version__ = '1.0.0a1'
+__version__ = '1.0.0a2'
 NAN = float('nan')
 INF = float('inf')