diff --git a/clang/test/lit.cfg.py b/clang/test/lit.cfg.py
--- a/clang/test/lit.cfg.py
+++ b/clang/test/lit.cfg.py
@@ -64,7 +64,7 @@
 
 tools = [
     'apinotes-test', 'c-index-test', 'clang-diff', 'clang-format', 'clang-repl',
-    'clang-tblgen', 'opt', 'llvm-ifs', 'yaml2obj',
+    'clang-tblgen', 'clang-scan-deps', 'opt', 'llvm-ifs', 'yaml2obj',
     ToolSubst('%clang_extdef_map', command=FindTool(
         'clang-extdef-mapping'), unresolved='ignore'),
 ]