diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 2082dff7a3a5..c51494b4428f 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -541,6 +541,7 @@ let
     bayesWatch = [ pkgs.boost.dev ];
     clustermq = [  pkgs.pkg-config ];
     coga = [ pkgs.gsl.dev ];
+    gpg = [ pkgs.gpgme ];
     webp = [ pkgs.libwebp ];
     RMark = [ pkgs.which ];
     RPushbullet = [ pkgs.which ];