diff --git a/clang-tools-extra/clangd/CMakeLists.txt b/clang-tools-extra/clangd/CMakeLists.txt
index 146f1b33599f0d..b8e179855b9df1 100644
--- a/clang-tools-extra/clangd/CMakeLists.txt
+++ b/clang-tools-extra/clangd/CMakeLists.txt
@@ -114,6 +114,7 @@ add_clang_library(clangDaemon
   clangToolingRefactoring
   clangToolingSyntax
   clangdSupport
+  ${LLVM_PTHREAD_LIB}
   ${ALL_CLANG_TIDY_CHECKS}
   )