diff --git a/setup.py b/setup.py
index 9e0d3c512..c74e4ee44 100755
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup
 # tox can't actually run python3 setup.py: https://github.com/tox-dev/tox/issues/96
 #from visidata import __version__
-__version__ = '2.12dev'
+__version__ = '3.0dev'
 
 setup(name='visidata',
       version=__version__,
diff --git a/visidata/__init__.py b/visidata/__init__.py
index be1411c1a..4d0203101 100644
--- a/visidata/__init__.py
+++ b/visidata/__init__.py
@@ -1,6 +1,6 @@
 'VisiData: a curses interface for exploring and arranging tabular data'
 
-__version__ = '2.12dev'
+__version__ = '3.0dev'
 __version_info__ = 'VisiData v' + __version__
 __author__ = 'Saul Pwanson <vd@saul.pw>'
 __status__ = 'Production/Stable'
diff --git a/visidata/main.py b/visidata/main.py
index 86792000a..ed60a117b 100755
--- a/visidata/main.py
+++ b/visidata/main.py
@@ -2,7 +2,7 @@
 # Usage: $0 [<options>] [<input> ...]
 #        $0 [<options>] --play <cmdlog> [--batch] [-w <waitsecs>] [-o <output>] [field=value ...]
 
-__version__ = '2.12dev'
+__version__ = '3.0dev'
 __version_info__ = 'saul.pw/VisiData v' + __version__
 
 from copy import copy