diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 9c032b5..ce96840 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,19 @@
 Changelog
 =========
 
+Version 0.5.0
+=============
+
+## What's Changed
+* Support py312 by @vtnate in https://github.com/urbanopt/modelica-builder/pull/73
+* Add method to scale loads in an MOS file by @nllong in https://github.com/urbanopt/modelica-builder/pull/74
+* Bump version of antlr runtime to 4.13.1 by @nllong in https://github.com/urbanopt/modelica-builder/pull/75
+* Add `.mpignore` to skip loading files in ModelicaProject by @nllong in https://github.com/urbanopt/modelica-builder/pull/77
+* Upgrade to MBLv10 by @vtnate in https://github.com/urbanopt/modelica-builder/pull/72
+* Update copyright dates by @nllong in https://github.com/urbanopt/modelica-builder/pull/80
+
+**Full Changelog**: https://github.com/urbanopt/modelica-builder/compare/v0.4.0...v0.5.0
+
 Version 0.4.0
 =============
 
diff --git a/pyproject.toml b/pyproject.toml
index 05b4737..a3a86dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,8 +1,8 @@
 [tool.poetry]
 name = "modelica-builder"
-version = "0.4.0"
+version = "0.5.0"
 description = "Modelica builder enables programmatic parsing and modification of Modelica files."
-authors = ["Nicholas Long <nicholas.long@nrel.gov>"]
+authors = ["Nicholas Long <nicholas.long@nrel.gov>", "Nathan Moore <nathan.moore@nrel.gov>"]
 license = "BSD-3-Clause"
 
 readme = "README.rst"