diff --git a/buildbot/osuosl/master/config/slaves.py b/buildbot/osuosl/master/config/slaves.py
--- a/buildbot/osuosl/master/config/slaves.py
+++ b/buildbot/osuosl/master/config/slaves.py
@@ -212,7 +212,7 @@
         create_slave("polly-x86_64-fdcserver", properties={'jobs': 8, 'loadaverage': 8}, max_builds=1),
 
         create_slave("flang-aarch64-ubuntu-build"),
-        create_slave("flang-aarch64-ubuntu-clang-build", properties={'jobs': 8}),
+        create_slave("flang-aarch64-ubuntu-clang-build", properties={'jobs': 16}),
         create_slave("flang-aarch64-ubuntu-gcc10-build", properties={'jobs': 8}),
         create_slave("nersc-flang"),