diff --git a/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt b/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt
index 0cbbefcdd611e..8786f6d38e35f 100644
--- a/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt
+++ b/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt
@@ -23,5 +23,6 @@ target_link_libraries(ClangIncludeCleanerTests
   PRIVATE
   clangIncludeCleaner
   clangTesting
+  LLVMTestingSupport
   )