diff --git a/flake.nix b/flake.nix
index 467b8bb..6dcbfcd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,6 +23,7 @@
               nixpkgs-fmt
               patchutils
               python311Packages.tox
+              reno
             ];
           };
         }