diff --git a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
index 5af035d840946..258d732d43be8 100644
--- a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
@@ -1445,6 +1445,7 @@ cc_library(
         ":crosstu",
         ":driver",
         ":frontend",
+        ":index",
         ":lex",
         ":rewrite",
         ":static_analyzer_checkers_gen",