diff --git a/Manual.attributes b/Manual.attributes
index 1036526e119575dd7566f49e1946da55d75e942d..f4d5c46e3d532d424bf5c4b6d21a714bd32e48d5 100644
--- a/Manual.attributes
+++ b/Manual.attributes
@@ -1,4 +1,4 @@
-:OPAL_version:                          2021.1.99
+:OPAL_version:                          2024.2
 
 :branch_OPAL:                           master
 :branch_manual:                         master