diff --git a/dbscripts/xml/upgrade.xml b/dbscripts/xml/upgrade.xml
index 6f684558a74..a42314ed525 100644
--- a/dbscripts/xml/upgrade.xml
+++ b/dbscripts/xml/upgrade.xml
@@ -220,6 +220,7 @@
 	<upgrade minversion="3.4.0.0" maxversion="3.4.9.9">
 		<migration class="PKP\migration\upgrade\v3_5_0\I9197_MigrateAccessKeys"/>
 		<migration class="PKP\migration\upgrade\v3_5_0\I9262_Highlights"/>
+        <migration class="PKP\migration\upgrade\v3_5_0\I9456_PrivateNotes"/>
 	</upgrade>
 
 	<upgrade minversion="3.1.0.0" maxversion="3.4.9.9">