diff --git a/eb_hooks.py b/eb_hooks.py
index 787e990e75..25cc7bc02a 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -159,6 +159,23 @@ def parse_hook_fontconfig_add_fonts(ec, eprefix):
         raise EasyBuildError("fontconfig-specific hook triggered for non-fontconfig easyconfig?!")
 
 
+def parse_hook_openblas_relax_lapack_tests_num_errors(ec, eprefix):
+    """Relax number of failing numerical LAPACK tests on Arm 64-bit systems."""
+    if ec.name == 'OpenBLAS':
+        # relax maximum number of failed numerical LAPACK tests on Arm 64-bit systems,
+        # since the default setting of 150 that works well on x86_64 is a bit too strict
+        cfg_option = 'max_failing_lapack_tests_num_errors'
+        if get_cpu_architecture() == AARCH64:
+            orig_value = ec[cfg_option]
+            ec[cfg_option] = 300
+            print_msg("Maximum number of failing LAPACK tests with numerical errors for %s relaxed to %s (was %s)",
+                      ec.name, ec[cfg_option], orig_value)
+        else:
+            print_msg("Not changing option %s for %s on non-AARCH64", cfg_option, ec.name)
+    else:
+        raise EasyBuildError("OpenBLAS-specific hook triggered for non-OpenBLAS easyconfig?!")
+
+
 def parse_hook_ucx_eprefix(ec, eprefix):
     """Make UCX aware of compatibility layer via additional configuration options."""
     if ec.name == 'UCX':
@@ -232,6 +249,7 @@ def pre_configure_hook_wrf_aarch64(self, *args, **kwargs):
 PARSE_HOOKS = {
     'CGAL': parse_hook_cgal_toolchainopts_precise,
     'fontconfig': parse_hook_fontconfig_add_fonts,
+    'OpenBLAS': parse_hook_openblas_relax_lapack_tests_num_errors,
     'UCX': parse_hook_ucx_eprefix,
 }
 
diff --git a/eessi-2023.06-eb-4.7.2-2021b.yml b/eessi-2023.06-eb-4.7.2-2021b.yml
index 6ff917f109..9427103769 100644
--- a/eessi-2023.06-eb-4.7.2-2021b.yml
+++ b/eessi-2023.06-eb-4.7.2-2021b.yml
@@ -9,3 +9,4 @@ easyconfigs:
   - zlib-1.2.11-GCCcore-11.2.0
   - OpenMPI-4.1.1-GCC-11.2.0
   - gompi-2021b
+  - FlexiBLAS-3.0.4-GCC-11.2.0.eb