diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
--- a/libcxx/CMakeLists.txt
+++ b/libcxx/CMakeLists.txt
@@ -961,6 +961,10 @@
   list(APPEND LIBCXX_TEST_DEPS cxx_external_threads)
 endif()
 
+if (LIBCXXABI_USE_LLVM_UNWINDER)
+  list(APPEND LIBCXX_TEST_DEPS unwind)
+endif()
+
 if (LIBCXX_INCLUDE_BENCHMARKS)
   add_subdirectory(benchmarks)
 endif()