diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
index 26b71cdde..300053b19 100644
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -766,6 +766,7 @@ def collapseRequestsDoxygen(master, builder, req1, req2):
                     clean=False,
                     extra_configure_args=[
                         "-DLLVM_ENABLE_ASSERTIONS=On",
+                        "-DLLVM_LIT_ARGS=--threads=20 -v --time-tests",
                         "-DCMAKE_C_COMPILER=clang",
                         "-DCMAKE_CXX_COMPILER=clang++",
                         "-DPython3_EXECUTABLE:FILEPATH=python3",