diff --git a/flake.nix b/flake.nix
index 6b1e3d0..9553b75 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,6 +26,7 @@
           # devtools
           pkgs.clippy
           pkgs.bacon
+          pkgs.cargo-semver-checks
         ];
       };
       packages.default = pkgs.rustPlatform.buildRustPackage {