diff --git a/nix/configurations/vanadium/home/dev.nix b/nix/configurations/vanadium/home/dev.nix
index 1aff2f4f..9a83b6d6 100644
--- a/nix/configurations/vanadium/home/dev.nix
+++ b/nix/configurations/vanadium/home/dev.nix
@@ -8,8 +8,9 @@
     # preview markdown
     pkgs.python3Packages.grip
 
-    # For nix contribution
+    # For {nix,haskell} contribution
     pkgs.gh
+    pkgs.act
     pkgs.nixfmt-rfc-style
     pkgs.nix-doc
     pkgs.nixpkgs-review