diff --git a/README.md b/README.md
index d972409..8543135 100644
--- a/README.md
+++ b/README.md
@@ -15,23 +15,14 @@ From within your WordPress or Bedrock root directory, run:
 
 To cache stats for a network, run (with [wp-cli](https://wp-cli.org)): `wp eval-file bin/cache.php`. You can set up a cron job for this if you want.
 
-## Changelog
+## Changelog 
 
-### 1.6.2
+### 1.6.3 
 
-#### Patches
+* See: https://github.com/pressbooks/pressbooks-stats/releases/tag/1.6.3
+* Full release history available at: https://github.com/pressbooks/pressbooks-stats/releases
 
-- Prevent cache stampedes: [#17](https://github.com/pressbooks/pressbooks-stats/pull/17)
-- Add PB_DISABLE_NETWORK_STORAGE constant: [#18](https://github.com/pressbooks/pressbooks-stats/pull/17)
+## Upgrade Notice 
 
-### 1.6.1
-
-#### Patches
-
-- Handle symlinked directories when displaying network storage: [#13](https://github.com/pressbooks/pressbooks-stats/pull/13)
-
-### 1.6.0
-
-#### Minor Changes
-
-- Add network storage usage to network dashboard: [#11](https://github.com/pressbooks/pressbooks-stats/pull/11)
+### 1.6.3 
+* Pressbooks Stats requires Pressbooks >= 5.8.3
\ No newline at end of file
diff --git a/pressbooks-stats.php b/pressbooks-stats.php
index 6e26252..c24792f 100644
--- a/pressbooks-stats.php
+++ b/pressbooks-stats.php
@@ -2,8 +2,8 @@
 /*
 Plugin Name: Pressbooks Stats
 Description: Pressbooks plugin which provides some basic activity statistics for a Pressbooks network.
-Version: 1.6.2
-Pressbooks tested up to: 5.5.3
+Version: 1.6.3
+Pressbooks tested up to: 5.8.3
 Author: Pressbooks (Book Oven Inc.)
 Author URI: https://pressbooks.org
 Network: True