diff --git a/justfile b/justfile
index b44ce6d..8d0ac78 100644
--- a/justfile
+++ b/justfile
@@ -12,3 +12,13 @@ build:
 update:
    nix flake update --commit-lock-file
    which fwupdmgr >/dev/null 2>&1 && fwupdmgr refresh || true
+
+repl:
+   nix repl --expr "\
+     let \
+       flake = builtins.getFlake \"$(git rev-parse --show-toplevel)\"; in \
+     flake // { \
+       lib = flake.inputs.nixpkgs.lib; \
+       pkgs = flake.inputs.nixpkgs.legacyPackages."\${builtins.currentSystem}"; \
+     } \
+   "