diff --git a/shell.nix b/shell.nix
index d37b6223..9a2a5da0 100644
--- a/shell.nix
+++ b/shell.nix
@@ -19,6 +19,7 @@ in pkgs.mkShell {
       git
       sops
       nix-update
+      nixdoc
 
       bind
       opentofu