diff --git a/src/rust-harfbuzz b/src/rust-harfbuzz
index 43db075b2aa..b6eb9169260 160000
--- a/src/rust-harfbuzz
+++ b/src/rust-harfbuzz
@@ -1 +1 @@
-Subproject commit 43db075b2aac4c9b8623736b034479523cc2005d
+Subproject commit b6eb91692604522fb2823158bb570c025c878019