diff --git a/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
index 27e468ddeb5f5..b37ec19330236 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
@@ -80,6 +80,7 @@ libc_test_library(
     ],
     deps = [
         ":LibcUnitTest",
+        "//libc:__support_macros_config",
         "//libc:errno",
     ],
 )