diff --git a/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel
index 50eb7d146402..42b417548d94 100644
--- a/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel
@@ -26,6 +26,7 @@ cc_test(
         "//llvm:Core",
         "//llvm:Support",
         "//llvm:TestingSupport",
+        "//llvm:config",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
         "//third-party/unittest:gtest_main",