diff --git a/pkgs/os-specific/darwin/libtapi/default.nix b/pkgs/os-specific/darwin/libtapi/default.nix
index e68e77f55afe..cac2d97482a6 100644
--- a/pkgs/os-specific/darwin/libtapi/default.nix
+++ b/pkgs/os-specific/darwin/libtapi/default.nix
@@ -1,18 +1,19 @@
-{ lib, stdenv, fetchFromGitHub, cmake, python }:
+{ lib, stdenv, fetchFromGitHub, cmake, python, clang_6 }:
 
 stdenv.mkDerivation {
-  name = "libtapi";
+  name = "libtapi-1000.10.8";
   src = fetchFromGitHub {
     owner = "tpoechtrager";
     repo = "apple-libtapi";
-    rev = "e56673694db395e25b31808b4fbb9a7005e6875f";
-    sha256 = "1lnl1af9sszp9wxfk0wljrpdmwcx83j0w5c0y4qw4pqrdkdgwks7";
+    rev = "cd9885b97fdff92cc41e886bba4a404c42fdf71b";
+    sha256 = "1a19h39a48agvnmal99n9j1fjadiqwib7hfzmn342wmgh9z3vk0g";
   };
 
   nativeBuildInputs = [ cmake python ];
+  buildInputs = [ clang_6.cc ];
 
   preConfigure = ''
-    cd src/apple-llvm/src
+    cd src/llvm
   '';
 
   cmakeFlags = [ "-DLLVM_INCLUDE_TESTS=OFF" ];