diff --git a/pkgs/development/r-modules/generate-shell.nix b/pkgs/development/r-modules/generate-shell.nix
index 9719a61f442..1c96cf05cb5 100644
--- a/pkgs/development/r-modules/generate-shell.nix
+++ b/pkgs/development/r-modules/generate-shell.nix
@@ -5,7 +5,11 @@ stdenv.mkDerivation {
 
   buildCommand = "exit 1";
 
-  buildInputs = [ wget ];
+  buildInputs = [
+    wget
+    cacert
+    nix
+  ];
 
   nativeBuildInputs = [
     (rWrapper.override {