diff --git a/README.md b/README.md
index 45f9037..762c757 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,13 @@ Not yet, we're hoping to add templating - all contributions welcome!
 
 ## Changelog
 
+- 1.6
+    - Internal code cleanups
+    - Remove unnecessary debug code
+
+- 1.5
+    - Fixes for newer GitHub milestone URLs
+
 - 1.4
    - Fix PHP warning that could block contributor embeds.
    - Fix Contributor embeds to use correct API call
diff --git a/github-embed.php b/github-embed.php
index 782829d..a6e8a56 100644
--- a/github-embed.php
+++ b/github-embed.php
@@ -4,7 +4,7 @@
 Plugin Name: Github Embed
 Plugin URI: http://www.leewillis.co.uk/wordpress-plugins
 Description: Paste the URL to a Github project into your posts or pages, and have the project information pulled in and displayed automatically
-Version: 1.5
+Version: 1.6
 Author: Lee Willis
 Author URI: http://www.leewillis.co.uk/
 */
diff --git a/readme.txt b/readme.txt
index 358718d..450cde6 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,9 +2,9 @@
 Contributors: leewillis77
 Donate link: http://www.leewillis.co.uk/wordpress-plugins/?utm_source=wordpress&utm_medium=www&utm_campaign=github-embed
 Tags: github, embed, oembed
-Requires at least: 3.5
+Requires at least: 4.6
 Tested up to: 4.8
-Stable tag: 1.5
+Stable tag: 1.6
 
 == Description ==
 
@@ -43,6 +43,11 @@ Not yet, we're hoping to add templating - [all contributions welcome](https://gi
 
 == Changelog ==
 
+= 1.6 =
+
+* Internal code cleanups
+* Remove unnecessary debug code
+
 = 1.5 =
 
 * Fixes for newer GitHub milestone URLs