diff --git a/plugins/redfish/meson.build b/plugins/redfish/meson.build
index 07401d03c..5263048c5 100644
--- a/plugins/redfish/meson.build
+++ b/plugins/redfish/meson.build
@@ -53,7 +53,8 @@ shared_module('fu_plugin_redfish',
 )
 
 install_data(['redfish.conf'],
-  install_dir:  join_paths(sysconfdir, 'fwupd')
+  install_dir:  join_paths(sysconfdir, 'fwupd'),
+  install_mode: 'rw-r-----',
 )
 
 if get_option('tests')