diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index e06095845727..c7ae224ef390 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -648,6 +648,10 @@ let
       which
       curl.dev
     ];
+    roxigraph = with pkgs; [
+      cargo
+      rustc
+    ];
     rsbml = [ pkgs.pkg-config ];
     rvg = [ pkgs.libpng.dev ];
     MAGEE = [
@@ -1943,6 +1947,13 @@ let
       postPatch = "patchShebangs configure";
     });
 
+    roxigraph = old.roxigraph.overrideAttrs (attrs: {
+      env = (attrs.env or { }) // {
+        LIBCLANG_PATH = "${lib.getLib pkgs.libclang}/lib";
+      };
+      postPatch = "patchShebangs configure";
+    });
+
     rshift = old.rshift.overrideAttrs (attrs: {
       postPatch = "patchShebangs configure";
     });