--- a/bitvec.cabal
+++ b/bitvec.cabal
@@ -1,9 +1,9 @@
+cabal-version: 3.8
 name: bitvec
 version: 1.1.6.0
-cabal-version: 2.0
 build-type: Simple
-license: BSD3
+license: BSD-3-Clause
 license-file: LICENSE
 copyright: 2019-2022 Andrew Lelechenko, 2012-2016 James Cook
 maintainer: Andrew Lelechenko <andrew.lelechenko@gmail.com>
 homepage: https://github.com/Bodigrim/bitvec
@@ -96,8 +96,11 @@
   if flag(simd) && !arch(javascript) && !arch(wasm32)
     c-sources: cbits/bitvec_simd.c
     cc-options: -fopenmp-simd
     cpp-options: -DUseSIMD
+    if os(osx) && arch(x86_64)
+      extra-libraries: clang_rt.osx
+      extra-libraries-static: clang_rt.osx
     other-modules:
       Data.Bit.SIMD

 test-suite bitvec-tests