diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5d1c5aa..3794dc8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,17 @@ When a new version of `solaris` is released, all of the changes in the Unrelease
 
 ## Unreleased
 
+### Added
+### Removed
+### Changed
+### Fixed
+### Deprecated
+### Security
+
+---
+
+## Version 0.4.0
+
 ### Added
 - 20200803, jshermeyer: Added mAP metric
 - 20200701, dphogan: Added SpaceNet Change and Object Tracking (SCOT) metric
diff --git a/docs/conf.py b/docs/conf.py
index 5a4a0d07..c428e370 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -25,8 +25,8 @@
 copyright = u'2018-{}, CosmiQ Works: an IQT Lab'.format(time.strftime("%Y"))
 
 # The full version, including alpha/beta/rc tags
-release = '0.3.0'
-version = '0.3.0'
+release = '0.4.0'
+version = '0.4.0'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/solaris/__init__.py b/solaris/__init__.py
index 5b883857..34b817e9 100644
--- a/solaris/__init__.py
+++ b/solaris/__init__.py
@@ -1,3 +1,3 @@
 from . import bin, data, eval, nets, preproc, raster, tile, utils, vector
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"