diff --git a/shell.nix b/shell.nix
index a72027bd..de72c6f3 100644
--- a/shell.nix
+++ b/shell.nix
@@ -3,6 +3,7 @@
     buildInputs = with pkgs.buildPackages; [
       ansible_2_15
       python312
+      python312Packages.jinja2
       python312Packages.python-ldap
     ];
   LANG="C.UTF-8";