diff --git a/clang-tools-extra/clangd/index/remote/server/CMakeLists.txt b/clang-tools-extra/clangd/index/remote/server/CMakeLists.txt
--- a/clang-tools-extra/clangd/index/remote/server/CMakeLists.txt
+++ b/clang-tools-extra/clangd/index/remote/server/CMakeLists.txt
@@ -11,6 +11,7 @@
 target_link_libraries(clangd-index-server
   PRIVATE
   clangDaemon
+  clangdSupport
 
   RemoteIndexProtos
   clangdRemoteMarshalling