diff --git a/pkgs/stdenv/darwin/make-bootstrap-tools.nix b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
index 85e4dabbbde..4f651575d6a 100644
--- a/pkgs/stdenv/darwin/make-bootstrap-tools.nix
+++ b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
@@ -3,7 +3,7 @@
 with import pkgspath { inherit system; };
 
 let
-  llvmPackages = llvmPackages_37;
+  llvmPackages = llvmPackages_4;
 in rec {
   coreutils_ = coreutils.override (args: {
     # We want coreutils without ACL support.