diff --git a/addons/hr_holidays/hr_holidays_view.xml b/addons/hr_holidays/hr_holidays_view.xml
index e6cb46ab03d..12d347cd876 100644
--- a/addons/hr_holidays/hr_holidays_view.xml
+++ b/addons/hr_holidays/hr_holidays_view.xml
@@ -90,12 +90,12 @@
                             <newline/>
                             <field name="state" colspan="2"/>
                             <group colspan="2">
-                                <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes"/>
-                                <button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
-                                <button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply"/>
-                                <button string="Refuse" name="refuse" states="confirm,validate1" type="workflow" icon="gtk-no"/>
-                                <button string="Cancel" name="cancel" states="validate,refuse" type="workflow" icon="gtk-cancel"/>
-                                <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert"/>
+                                <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes" groups="base.group_hr_user,base.group_hr_manager"/>
+                                <button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply" groups="base.group_hr_manager"/>
+                                <button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply" groups="base.group_hr_manager"/>
+                                <button string="Refuse" name="refuse" states="confirm,validate1" type="workflow" icon="gtk-no" groups="base.group_hr_manager"/>
+                                <button string="Cancel" name="cancel" states="validate,refuse" type="workflow" icon="gtk-cancel" groups="base.group_hr_manager"/>
+                                <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert" groups="base.group_hr_manager"/>
                             </group>
                         </page>
                     </notebook>
@@ -133,12 +133,12 @@
                         <newline/>
                         <field name="state" colspan="2"/>
                         <group colspan="2">
-                            <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes"/>
-                            <button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
-                            <button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply"/>
-                            <button string="Refuse" name="refuse" states="confirm,validate1" type="workflow" icon="gtk-no"/>
-                            <button string="Cancel" name="cancel" states="validate,refuse" type="workflow" icon="gtk-cancel"/>
-                            <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert"/>
+                            <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes" groups="base.group_hr_user,base.group_hr_manager"/>
+                            <button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply" groups="base.group_hr_manager"/>
+                            <button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply" groups="base.group_hr_manager"/>
+                            <button string="Refuse" name="refuse" states="confirm,validate1" type="workflow" icon="gtk-no" groups="base.group_hr_manager"/>
+                            <button string="Cancel" name="cancel" states="validate,refuse" type="workflow" icon="gtk-cancel" groups="base.group_hr_manager"/>
+                            <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert" groups="base.group_hr_manager"/>
                         </group>
                     </page>
                 </notebook>
diff --git a/addons/hr_holidays/security/ir.model.access.csv b/addons/hr_holidays/security/ir.model.access.csv
index c9d1d8afc6d..0e7b122a943 100644
--- a/addons/hr_holidays/security/ir.model.access.csv
+++ b/addons/hr_holidays/security/ir.model.access.csv
@@ -11,4 +11,4 @@
 "access_hr_holidays_system","hr.holidays.system","model_hr_holidays","base.group_system",1,0,0,0
 "access_hr_holidays_employee","hr.holidays.employee","model_hr_holidays","base.group_user",1,0,0,0
 "access_hr_holydays_status_employee","hr.holidays.status.employee","model_hr_holidays_status","base.group_user",1,0,0,0
-"access_resource_calendar_leaves_employee","resource_calendar_leaves_employee","resource.model_resource_calendar_leaves","base.group_hr_user",1,1,1,1
+"access_resource_calendar_leaves_manager","resource_calendar_leaves_manager","resource.model_resource_calendar_leaves","base.group_hr_manager",1,1,1,1