diff --git a/shell.nix b/shell.nix
index f20cbb02..bf9f8ae2 100644
--- a/shell.nix
+++ b/shell.nix
@@ -61,6 +61,7 @@ in (pkgs.buildFHSUserEnv {
     nix
     vim
     openssh
+    libxcrypt
   ];
   multiPkgs = pkgs: [
     (pkgs.runCommand "protocols" {}