diff --git a/clang-tools-extra/unittests/clangd/CMakeLists.txt b/clang-tools-extra/unittests/clangd/CMakeLists.txt
index 3d50f4812fe6..0629ab8967dd 100644
--- a/clang-tools-extra/unittests/clangd/CMakeLists.txt
+++ b/clang-tools-extra/unittests/clangd/CMakeLists.txt
@@ -38,6 +38,7 @@ add_extra_unittest(ClangdTests
 
 target_link_libraries(ClangdTests
   PRIVATE
+  clangAST
   clangBasic
   clangDaemon
   clangFormat