diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3bd180..d3af052 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [2.8.1] - 2016-09-14
+
+### Fixed
+- Fix PHP warning - `get_admin_subtitle_value()` should be declared static.
+
 ## [2.8] - 2016-09-07
 
 ### Added
@@ -119,7 +124,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 - First version.
 
-[Unreleased]: https://github.com/benhuson/wp-subtitle/compare/2.8...HEAD
+[Unreleased]: https://github.com/benhuson/wp-subtitle/compare/2.8.1...HEAD
+[2.8.1]: https://github.com/benhuson/wp-subtitle/compare/2.8...2.8.1
 [2.8]: https://github.com/benhuson/wp-subtitle/compare/2.7.1...2.8
 [2.7.1]: https://github.com/benhuson/wp-subtitle/compare/2.7...2.7.1
 [2.7]: https://github.com/benhuson/wp-subtitle/compare/2.6...2.7
diff --git a/README.md b/README.md
index d2cda37..faef41a 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,9 @@ The plugin is [hosted on GitHub](https://github.com/benhuson/wp-subtitle) and pu
 Upgrade Notice
 --------------
 
+### 2.8.1
+Fix PHP warning - `get_admin_subtitle_value()` should be declared static.
+
 ### 2.8
 Allow subtitle to contain HTML (same as main post title ) and add `wps_default_subtitle` filter.
 
diff --git a/readme.txt b/readme.txt
index 0df2dcb..9994b6f 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: husobj, husani
 Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=SLZUF4XJTS4E6
 Tags: subtitle, content, title, subheading, subhead, alternate title
 Requires at least: 3.7
-Tested up to: 4.6
-Stable tag: 2.8
+Tested up to: 4.6.1
+Stable tag: 2.8.1
 License: GPLv2
 License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 
@@ -100,6 +100,9 @@ The plugin is [hosted on GitHub](https://github.com/benhuson/wp-subtitle) and pu
 
 == Changelog ==
 
+= 2.8.1 =
+* Fix PHP warning - `get_admin_subtitle_value()` should be declared static.
+
 = 2.8 =
 * Allow subtitle to contain HTML (same as main post title ).
 * Add `wps_default_subtitle` filter.
@@ -167,6 +170,9 @@ The plugin is [hosted on GitHub](https://github.com/benhuson/wp-subtitle) and pu
 
 == Upgrade Notice ==
 
+= 2.8.1 =
+Fix PHP warning - `get_admin_subtitle_value()` should be declared static.
+
 = 2.8 =
 Allow subtitle to contain HTML (same as main post title ) and add `wps_default_subtitle` filter.
 
diff --git a/wp-subtitle.php b/wp-subtitle.php
index d481b60..5a599ed 100644
--- a/wp-subtitle.php
+++ b/wp-subtitle.php
@@ -4,7 +4,7 @@
 Plugin Name: WP Subtitle
 Plugin URI: http://wordpress.org/plugins/wp-subtitle/
 Description: Adds a subtitle field to pages and posts. Possible to add support for custom post types.
-Version: 2.8
+Version: 2.8.1
 Author: Ben Huson, Husani Oakley
 Author URI: https://github.com/benhuson/wp-subtitle
 License: GPLv2