diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.3-2023a.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.3-2023a.yml
new file mode 100644
index 0000000000..e27cca0695
--- /dev/null
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.3-2023a.yml
@@ -0,0 +1,2 @@
+easyconfigs:
+  - Clang-16.0.6-GCCcore-12.3.0.eb
diff --git a/eb_hooks.py b/eb_hooks.py
index b3e457cfe3..edb03e44cd 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -85,7 +85,7 @@ def post_ready_hook(self, *args, **kwargs):
     # 'parallel' easyconfig parameter is set via EasyBlock.set_parallel in ready step based on available cores.
     # here we reduce parallellism to only use half of that for selected software,
     # to avoid failing builds/tests due to out-of-memory problems;
-    memory_hungry_build = self.name in ['libxc', 'MBX', 'TensorFlow']
+    memory_hungry_build = self.name in ['Clang', 'libxc', 'MBX', 'TensorFlow']
     # on A64FX systems, (HBM) memory is typically scarce, so we need to use fewer cores for some builds
     cpu_target = get_eessi_envvar('EESSI_SOFTWARE_SUBDIR')
     memory_hungry_build_a64fx = cpu_target == CPU_TARGET_A64FX and self.name in ['Qt5']