diff --git a/harfbuzz-sys/harfbuzz b/harfbuzz-sys/harfbuzz
index 694ffa87..63cdd745 160000
--- a/harfbuzz-sys/harfbuzz
+++ b/harfbuzz-sys/harfbuzz
@@ -1 +1 @@
-Subproject commit 694ffa874723e1f5a8552faedb101ddd072063be
+Subproject commit 63cdd745ffc77150b702a1800f5f961842db25f8