diff --git a/audit_exceptions/flat_namespace_allowlist.json b/audit_exceptions/flat_namespace_allowlist.json
index 879d597042c..cd8e37fc252 100644
--- a/audit_exceptions/flat_namespace_allowlist.json
+++ b/audit_exceptions/flat_namespace_allowlist.json
@@ -5,6 +5,7 @@
   "blast",
   "coq",
   "hdf5-mpi",
+  "lablgtk",
   "libvirt",
   "mpich",
   "omniorb",