diff --git a/app/Services/AuditTrail/Activity.php b/app/Services/AuditTrail/Activity.php
index a1ad7c7..ad47fbb 100644
--- a/app/Services/AuditTrail/Activity.php
+++ b/app/Services/AuditTrail/Activity.php
@@ -19,12 +19,15 @@ final class Activity
 
     public const int Study_Update = 107;
 
-    public const int Study_Archived = 108;
+    public const int Study_Archive = 108;
 
     public const int Study_Delete = 109;
-    public const int Attachment_Upload = 110;
-    public const int Attachment_Download = 111;
-    public const int Attachment_Delete = 112;
+    public const int Study_Lock = 110;
+    public const int Study_Unlock = 111;
+
+    public const int Attachment_Upload = 112;
+    public const int Attachment_Download = 113;
+    public const int Attachment_Delete = 114;
 
     // report