diff --git a/shell.nix b/shell.nix
index d9c6bc0..e2debe4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -4,6 +4,7 @@ pkgs.mkShell {
     cargo-edit
     gettext # envsubst
     gh
+    jinja2-cli
     yq-go
   ];
 }