diff --git a/pkgs/tools/filesystems/ceph/default.nix b/pkgs/tools/filesystems/ceph/default.nix
index ebaf6532df52..71dfd4d47f46 100644
--- a/pkgs/tools/filesystems/ceph/default.nix
+++ b/pkgs/tools/filesystems/ceph/default.nix
@@ -218,6 +218,9 @@ let
           inherit version;
           hash = "sha256-hBSYub7GFiOxtsR+u8AjZ8B9YODhlfGXkIF/EMyNsLc=";
         };
+        pytestFlagsArray = [
+          "-W" "ignore::pytest.PytestRemovedIn8Warning"
+        ];
       });
 
       # Ceph does not support `kubernetes` >= 19, see: