diff --git a/external/hermes b/external/hermes
index 2e578554d52d734eec83b5def2602dde7b6ce570..66a421d0994fa3e2861e1a7a5dafccf9f0bdeb36 160000
--- a/external/hermes
+++ b/external/hermes
@@ -1 +1 @@
-Subproject commit 2e578554d52d734eec83b5def2602dde7b6ce570
+Subproject commit 66a421d0994fa3e2861e1a7a5dafccf9f0bdeb36