diff --git a/CHANGELOG.md b/CHANGELOG.md
index 598ddb66..2eb65326 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/socialgene/sgpy/compare/v0.3.3...v0.4.0) (2023-12-21)
+
+
+### Miscellaneous Chores
+
+* release 0.4.0 ([cafc013](https://github.com/socialgene/sgpy/commit/cafc013904b93561f23abb26a4a7a575718dd86f))
+
 ## [0.3.3](https://github.com/socialgene/sgpy/compare/v0.3.2...v0.3.3) (2023-11-17)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 280bf8b7..c217152b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "socialgene"
-version = "0.3.3"
+version = "0.4.0"
 description = "Creating and interacting with graph databases of protein domains and their genome coordinates"
 readme = "README.md"
 authors =  [