diff --git a/Requirements.md b/Requirements.md
index 1a3252d..1f186a3 100644
--- a/Requirements.md
+++ b/Requirements.md
@@ -6,3 +6,5 @@
 * Ocaml with Opam : https://raw.github.com/hcarty/ocamlbrew/master/ocamlbrew-install
 * m4 : http://www.gnu.org/software/m4/
 * curl : http://curl.haxx.se/
+* EMSL_Basis_Set_Exchange_Local : https://github.com/TApplencourt/EMSL_Basis_Set_Exchange_Local
+* Zlib : http://zlib.net