diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 48efad0..b24dd39 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -5,7 +5,7 @@ on: workflow_dispatch
 env:
   PYTHON_VERSION: "3.10"
   POETRY_VERSION: "1.3.2"
-  PARAMDB_VERSION: "0.4.0"
+  PARAMDB_VERSION: "0.5.0"
 
 jobs:
   build:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee9f39e..34e2137 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.5.0] (Apr 11 2023)
+
 ### Changed
 
 - `datetime` objects (currently used in `CommitEntry.timestamp` and
@@ -14,7 +16,7 @@ project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 - If ParamDB `load_classes` parameter is False, `datetime` and Astropy `Quantity`
   objects are not loaded either.
 
-## [0.4.0] (March 28 2023)
+## [0.4.0] (Mar 28 2023)
 
 ### Added
 
@@ -67,7 +69,8 @@ project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 - Database class `ParamDB` to store parameters in a SQLite file
 - Ability to retrieve the commit history as `CommitEntry` objects
 
-[unreleased]: https://github.com/PainterQubits/paramdb/compare/v0.4.0...main
+[unreleased]: https://github.com/PainterQubits/paramdb/compare/v0.5.0...main
+[0.5.0]: https://github.com/PainterQubits/paramdb/releases/tag/v0.5.0
 [0.4.0]: https://github.com/PainterQubits/paramdb/releases/tag/v0.4.0
 [0.3.0]: https://github.com/PainterQubits/paramdb/releases/tag/v0.3.0
 [0.2.0]: https://github.com/PainterQubits/paramdb/releases/tag/v0.2.0
diff --git a/docs/conf.py b/docs/conf.py
index ab7e632..cdebd1f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -4,7 +4,7 @@
 project = "ParamDB"
 copyright = "2023, California Institute of Technology"
 author = "Alex Hadley"
-release = "0.4.0"
+release = "0.5.0"
 
 # General configuration
 extensions = [
diff --git a/pyproject.toml b/pyproject.toml
index 41a0185..9294852 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "paramdb"
-version = "0.4.0"
+version = "0.5.0"
 description = "Python library for storing and retrieving experiment parameters."
 authors = ["Alex Hadley <alexhad6@gmail.com>"]
 license = "BSD-3-Clause"