diff --git a/eb_hooks.py b/eb_hooks.py
index 9a53ea2870..1e7501a194 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -80,7 +80,7 @@ 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
-    if self.name in ['TensorFlow']:
+    if self.name in ['TensorFlow', 'libxc']:
         parallel = self.cfg['parallel']
         if parallel > 1:
             self.cfg['parallel'] = parallel // 2
@@ -412,6 +412,15 @@ def pre_test_hook_ignore_failing_tests_netCDF(self, *args, **kwargs):
     if self.name == 'netCDF' and self.version == '4.9.2' and cpu_target == CPU_TARGET_NEOVERSE_V1:
         self.cfg['testopts'] = "|| echo ignoring failing tests" 
 
+def pre_test_hook_increase_max_failed_tests_arm_PyTorch(self, *args, **kwargs):
+    """
+    Pre-test hook for PyTorch: increase max failing tests for ARM for PyTorch 2.1.2
+    See https://github.com/EESSI/software-layer/pull/444#issuecomment-1890416171
+    """
+    if self.name == 'PyTorch' and self.version == '2.1.2' and get_cpu_architecture() == AARCH64:
+        self.cfg['max_failed_tests'] = 10
+
+
 def pre_single_extension_hook(ext, *args, **kwargs):
     """Main pre-extension: trigger custom functions based on software name."""
     if ext.name in PRE_SINGLE_EXTENSION_HOOKS:
@@ -592,6 +601,7 @@ def inject_gpu_property(ec):
     'FFTW.MPI': pre_test_hook_ignore_failing_tests_FFTWMPI,
     'SciPy-bundle': pre_test_hook_ignore_failing_tests_SciPybundle,
     'netCDF': pre_test_hook_ignore_failing_tests_netCDF,
+    'PyTorch': pre_test_hook_increase_max_failed_tests_arm_PyTorch,
 }
 
 PRE_SINGLE_EXTENSION_HOOKS = {