diff --git a/nix/devshells.nix b/nix/devshells.nix
index 9c15004..e1cd52a 100644
--- a/nix/devshells.nix
+++ b/nix/devshells.nix
@@ -22,6 +22,7 @@ _: {
             pkgs.cargo-deny
             pkgs.cargo-mutants
             pkgs.cargo-tarpaulin
+            pkgs.vhs
           ];
         };
       };