diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a8b682..2a9de8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
-## [0.5.28] — Unreleased
+## [0.5.28] — 2021-05-08
 ### Added
 - Add `--laparams` flag to CLI. ([#407](https://github.com/jsvine/pdfplumber/pull/407))
 
diff --git a/pdfplumber/_version.py b/pdfplumber/_version.py
index bbd6939..e7fedfe 100644
--- a/pdfplumber/_version.py
+++ b/pdfplumber/_version.py
@@ -1,2 +1,2 @@
-version_info = (0, 5, 27)
+version_info = (0, 5, 28)
 __version__ = ".".join(map(str, version_info))