diff --git a/EESSI-install-software.sh b/EESSI-install-software.sh
index 195239b9eb..423746ae03 100755
--- a/EESSI-install-software.sh
+++ b/EESSI-install-software.sh
@@ -251,9 +251,9 @@ fi
 
 # Install extra software that is needed (e.g., for providing a custom ctypes
 # library when needed)
-#cd ${TOPDIR}/scripts/extra
-#./install_extra_packages.sh --temp-dir /tmp/temp --easystack eessi-2023.06-extra-packages.yml
-#cd ${TOPDIR}
+cd ${TOPDIR}/scripts/extra
+./install_extra_packages.sh --temp-dir /tmp/temp --easystack eessi-2023.06-extra-packages.yml
+cd ${TOPDIR}
 
 # use PR patch file to determine in which easystack files stuff was added
 changed_easystacks=$(cat ${pr_diff} | grep '^+++' | cut -f2 -d' ' | sed 's@^[a-z]/@@g' | grep '^easystacks/.*yml$' | egrep -v 'known-issues|missing') 
diff --git a/eb_hooks.py b/eb_hooks.py
index 413675a60f..84bd4fff84 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -782,7 +782,7 @@ def pre_module_hook_librosa_augment_modluafooter(self, *args, **kwargs):
     'CGAL': parse_hook_cgal_toolchainopts_precise,
     'fontconfig': parse_hook_fontconfig_add_fonts,
     'LAMMPS': parse_hook_lammps_remove_deps_for_CI_aarch64,
-    #'librosa': parse_hook_librosa_custom_ctypes,
+    'librosa': parse_hook_librosa_custom_ctypes,
     'OpenBLAS': parse_hook_openblas_relax_lapack_tests_num_errors,
     'pybind11': parse_hook_pybind11_replace_catch2,
     #'PyTorch-bundle': parse_hook_pytorch_bundle_torchvision_setenv,
@@ -833,5 +833,5 @@ def pre_module_hook_librosa_augment_modluafooter(self, *args, **kwargs):
 }
 
 PRE_MODULE_HOOKS = {
-    #'librosa': pre_module_hook_librosa_augment_modluafooter,
+    'librosa': pre_module_hook_librosa_augment_modluafooter,
 }