diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 098ab6a0ac9a..52bdfdd8e03c 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -728,6 +728,10 @@ let
     mvabund = [ pkgs.gsl ]; # for gsl-config via RcppGSL
     mvst = [ pkgs.gsl ]; # for gsl-config
     mwaved = [ pkgs.pkg-config ];
+    mx_crypto = with pkgs; [
+      cargo
+      rustc
+    ];
     n1qn1 = [ pkgs.gfortran ];
     ncdf4 = [ pkgs.netcdf ]; # for nc-config
     neojags = [ pkgs.pkg-config ];