diff --git a/docsource/modules150-160.rst b/docsource/modules150-160.rst
index be3e74354428..65b02bfaa0bd 100644
--- a/docsource/modules150-160.rst
+++ b/docsource/modules150-160.rst
@@ -176,7 +176,7 @@ Module coverage 15.0 -> 16.0
 +-------------------------------------------------+----------------------+-------------------------------------------------+
 | hr_gamification                                 | Nothing to do        |No DB layout changes.                            |
 +-------------------------------------------------+----------------------+-------------------------------------------------+
-| hr_holidays                                     |                      |                                                 |
+| hr_holidays                                     | Done                 |                                                 |
 +-------------------------------------------------+----------------------+-------------------------------------------------+
 | hr_holidays_attendance                          |                      |                                                 |
 +-------------------------------------------------+----------------------+-------------------------------------------------+
diff --git a/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/post-migration.py b/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/post-migration.py
index 18e6b76f40b8..70aef7b5c96b 100644
--- a/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/post-migration.py
+++ b/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/post-migration.py
@@ -1,28 +1,25 @@
 # Copyright 2023 Coop IT Easy (https://coopiteasy.be)
+# Copyright 2024 Tecnativa - Pedro M. Baeza
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from openupgradelib import openupgrade
 
 
-def set_allocation_validation_type(env):
-    """Operate like the _compute_allocation_validation_type() function.
-
-    It set "no" by default except if employee_request is set to "no"
-    where it set "officer".
+def _set_allocation_validation_type(env):
+    """Convert the previous `set` value to `officer` as it's mostly the same. The only
+    difference is that previously if set is selected, the responsible could be empty,
+    and thus the own user was selected as approver - which was incorrect -.
     """
-    openupgrade.logged_query(
-        env.cr, "UPDATE hr_leave_type SET allocation_validation_type = 'no'"
-    )
     openupgrade.logged_query(
         env.cr,
         """UPDATE hr_leave_type
         SET allocation_validation_type = 'officer'
-        WHERE employee_requests = 'no'
+        WHERE allocation_validation_type = 'set'
         """,
     )
 
 
 @openupgrade.migrate()
 def migrate(env, version):
-    set_allocation_validation_type(env)
+    _set_allocation_validation_type(env)
     openupgrade.load_data(env.cr, "hr_holidays", "16.0.1.5/noupdate_changes.xml")
diff --git a/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/upgrade_analysis_work.txt b/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/upgrade_analysis_work.txt
index 1c0b66f10163..2bf32ed40eba 100644
--- a/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/upgrade_analysis_work.txt
+++ b/openupgrade_scripts/scripts/hr_holidays/16.0.1.5/upgrade_analysis_work.txt
@@ -23,7 +23,7 @@ hr_holidays  / hr.leave.stress.day      / start_date (date)             : NEW re
 # NOTHING TO DO: new feature
 
 hr_holidays  / hr.leave.type            / allocation_validation_type (selection): selection_keys is now '['no', 'officer']' ('['no', 'officer', 'set']')
-# DONE: post-migration: compute new value for allocation_validation_type
+# DONE: post-migration: convert previous `set` values to `officer`. They acted the same except the responsible_id is not set. In that case, the user was selected as approver, which was incorrect.
 
 ---XML records in module 'hr_holidays'---
 NEW ir.actions.act_window: hr_holidays.hr_leave_stress_day_action