-Build-Depends: debhelper (>= 4.0.0), libpcre-ocaml-dev, libpgsql-ocaml-dev, libextlib-ocaml-dev, ocaml-findlib, ocaml-nox-3.08, libapache-mod-caml (>= 1.3.2), libtemplate-ocaml-dev (>= 1.3.2), ocamldsort (>= 0.14.2)
+Build-Depends: debhelper (>= 4.0.0), libpcre-ocaml-dev, libpgsql-ocaml-dev, libextlib-ocaml-dev, libgregoriandate-ocaml-dev, ocaml-findlib, ocaml-nox-3.08, libapache-mod-caml (>= 1.3.2), libtemplate-ocaml-dev (>= 1.3.2), ocamldsort (>= 0.14.2)