diff --git a/GameOfLife/__init__.py b/GameOfLife/__init__.py
index 22cc920..2a6ee56 100644
--- a/GameOfLife/__init__.py
+++ b/GameOfLife/__init__.py
@@ -9,7 +9,7 @@
 __author__ = '\n'.join(["Erik O'Shaughnessy",
                         'erik.oshaughnessy@gmail.com',
                         'https://github.com/JnyJny/GameOfLife'])
-__version__ = "0.0.12"
+__version__ = "0.0.13"
 
 from .cell import Cell as Cell
 from .world import OptimizedWorld as World
diff --git a/Makefile b/Makefile
index 5f6a7a5..41c679f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 
 TARGET= GameOfLife
-VERSION= 0.0.12
+VERSION= 0.0.13
 QVERSION= "'${VERSION}'"
 VERSION_FILE= VERSION