diff --git a/flake.nix b/flake.nix
index b8069e9f7..8d0078d16 100644
--- a/flake.nix
+++ b/flake.nix
@@ -101,6 +101,7 @@
               # Development tools
               git
               gnumake
+              just
             ];
 
             # Environment variables for development