diff --git a/CHANGES.txt b/CHANGES.txt
index e2c009e..e643f2e 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,11 @@
 Version history
 ===============
 
+9.0 (2023-06-02):
+
+- changed: conflict with Elgg < 5.0
+- changed: updated for Elgg 5
+
 8.0 (2022-06-01):
 
 - changed: increased minimal Elgg version to 4.2
diff --git a/elgg-plugin.php b/elgg-plugin.php
index 01431c3..5d18d4f 100644
--- a/elgg-plugin.php
+++ b/elgg-plugin.php
@@ -5,7 +5,7 @@
 
 return [
 	'plugin' => [
-		'version' => '8.0',
+		'version' => '9.0',
 	],
 	'bootstrap' => Bootstrap::class,
 	'events' => [