diff --git a/manifests/main/files.pp b/manifests/main/files.pp
index 5211fdd..16b907d 100644
--- a/manifests/main/files.pp
+++ b/manifests/main/files.pp
@@ -60,7 +60,7 @@ class prometheus_cd::main::files (
         ensure   => file,
         owner    => 'prometheus',
         group    => 'prometheus',
-        mode     => '0750',
+        mode     => '0440',
         selrange => s0,
         selrole  => object_r,
         seltype  => usr_,