diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 7e9ee0ee19df..fc8894900dc4 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -451,7 +451,10 @@ let
       libjpeg
     ];
     bnpmr = [ pkgs.gsl ];
-    caviarpd = [ pkgs.cargo ];
+    caviarpd = with pkgs; [
+      cargo
+      rustc
+    ];
     cairoDevice = [ pkgs.gtk2.dev ];
     Cairo = with pkgs; [
       libtiff