diff --git a/deployment/environments/group_vars/all/vitam_vars.yml b/deployment/environments/group_vars/all/vitam_vars.yml
index f8094defbe092d41f01ccbb7084ce2de7639d0cc..cebc59ce30a6db082a6d4e007e4c424e4dc80b30 100755
--- a/deployment/environments/group_vars/all/vitam_vars.yml
+++ b/deployment/environments/group_vars/all/vitam_vars.yml
@@ -4,7 +4,7 @@ vitam_defaults:
   folder:
     root_path: "/vitam"
     folder_permission: "0750"
-    conf_permission: "0640"
+    conf_permission: "0440"
     folder_upload_permission: "0770"
     script_permission: "0750"
   users:
diff --git a/deployment/environments/group_vars/all/vitamui_vars.yml b/deployment/environments/group_vars/all/vitamui_vars.yml
index 44510f2a87da01aa3d79e3687e773dd0a2a3f5af..d9134b335bf8b749731a9f60e8b4b5a2be86a8aa 100755
--- a/deployment/environments/group_vars/all/vitamui_vars.yml
+++ b/deployment/environments/group_vars/all/vitamui_vars.yml
@@ -8,7 +8,7 @@ vitamui_defaults:
   folder:
     root_path: "/vitamui"
     folder_permission: "0750"
-    conf_permission: "0640"
+    conf_permission: "0440"
     folder_upload_permission: "0770"
     script_permission: "0750"
   users: