diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.2-2023a.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.2-2023a.yml
index e9011a0664..a7dd0c14f9 100644
--- a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.2-2023a.yml
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.2-2023a.yml
@@ -71,3 +71,4 @@ easyconfigs:
       options:
         # see https://github.com/easybuilders/easybuild-easyconfigs/pull/21227
         from-commit: 4c5e3455dec31e68e8383c7fd86d1f80c434676d
+  - PyTorch-bundle-2.1.2-foss-2023a.eb
diff --git a/eb_hooks.py b/eb_hooks.py
index 3e095129f9..0dc4abe793 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -725,6 +725,31 @@ def post_sanitycheck_cuda(self, *args, **kwargs):
         raise EasyBuildError("CUDA-specific hook triggered for non-CUDA easyconfig?!")
 
 
+def pre_sanitycheck_hook(self,*args, **kwargs):
+    """Main pre-sanitycheck hook: trigger custom functions based on software name."""
+    if self.name in PRE_SANITYCHECK_HOOKS:
+        PRE_SANITYCHECK_HOOKS[self.name](self, *args, **kwargs)
+
+
+def pre_sanitycheck_sentencepiece(self, *args, **kwargs):
+    """
+    LD_PRELOAD `libtcmalloc_minimal.so.4` on AARCH64-based systems
+    Avoids "libtcmalloc_minimal.so.4: cannot allocate memory in static TLS block" error
+    See https://github.com/EESSI/software-layer/pull/585/#issuecomment-2286068465
+    """
+    if self.name == "SentencePiece" and get_cpu_architecture() == AARCH64:
+        # We want to set LD_PRELOAD so that it loads the libtcmalloc_minimal.so library from gperftools
+        # However, if LD_PRELOAD is already set, we need to prepend to it.
+        # An existing LD_PRELOAD can be space or colon separated, both are allowed
+        # So first we make sure it is colon seperated
+        # Colon seperation is allowed for LD_PRELOAD, so the easiest way to prepend to whats there
+        # is to specify it through modextrapaths
+        self.cfg['modluafooter'] = """
+libtcmalloc = pathJoin(os.getenv("EBROOTGPERFTOOLS"), "lib64", "libtcmalloc_minimal.so")
+prepend_path("LD_PRELOAD", libtcmalloc)
+"""
+
+
 def inject_gpu_property(ec):
     """
     Add 'gpu' property, via modluafooter easyconfig parameter
@@ -804,6 +829,10 @@ def inject_gpu_property(ec):
     'numpy': post_single_extension_numpy,
 }
 
+PRE_SANITYCHECK_HOOKS = {
+    'SentencePiece': pre_sanitycheck_sentencepiece,
+}
+
 POST_SANITYCHECK_HOOKS = {
     'CUDA': post_sanitycheck_cuda,
 }