diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index ea269da3467a1..640fa03a99c90 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -1496,6 +1496,7 @@ libc_support_library(
     deps = [
         ":__support_common",
         ":__support_cpp_bit",
+        ":__support_macros_optimization",
         ":__support_macros_sanitizer",
     ],
 )