diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index ec56ebdafca4..3b764de4b1e8 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -547,6 +547,7 @@ let
     webp = [ pkgs.libwebp ];
     RMark = [ pkgs.which ];
     RPushbullet = [ pkgs.which ];
+    stpphawkes = [ pkgs.gsl ];
     RCurl = [ pkgs.curl.dev ];
     R2SWF = [ pkgs.pkg-config ];
     rDEA = [ pkgs.glpk ];