diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -1201,6 +1201,7 @@
                     test=True,
                     extra_cmake_args=[
                         '-DLLVM_ENABLE_ASSERTIONS=OFF',
+                        '-DLLVM_LIT_ARGS=-svj 8',
                         '-DLLVM_ENABLE_ZLIB=FALSE',
                         '-DLLDB_ENABLE_PYTHON=TRUE'])},