diff --git a/harfbuzz-sys/harfbuzz b/harfbuzz-sys/harfbuzz
index 63973005..9c03576c 160000
--- a/harfbuzz-sys/harfbuzz
+++ b/harfbuzz-sys/harfbuzz
@@ -1 +1 @@
-Subproject commit 63973005bc07aba599b47fdd4cf788647b601ccd
+Subproject commit 9c03576c49db6e7207d9bcdfe3abd170a809157f