diff --git a/shell.nix b/shell.nix
index a2ca6eb..f2bc3d9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,6 +7,7 @@ let
     clack
     jzon
     serapeum
+    deploy
     pkgs.openssl
     pkgs.openssl.out
     pkgs.openssl.dev