diff --git a/mwatershed/__init__.py b/mwatershed/__init__.py
index ada9b05..b6faded 100644
--- a/mwatershed/__init__.py
+++ b/mwatershed/__init__.py
@@ -3,7 +3,7 @@
 
 __author__ = """William Hunter Patton"""
 __email__ = """pattonw@hhmi.org"""
-__version__ = """0.7.0"""
+__version__ = """0.4.0"""
 __version_info__ = tuple(int(n) for n in __version__.split("."))
 
 from .mwatershed import agglom_rs, cluster
diff --git a/setup.cfg b/setup.cfg
index f36835c..41d8437 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.7.0
+current_version = 0.4.0
 commit = True
 tag = True