diff --git a/src/harfbuzz b/src/harfbuzz
index b43655ba482..cd9478610c7 160000
--- a/src/harfbuzz
+++ b/src/harfbuzz
@@ -1 +1 @@
-Subproject commit b43655ba4821fbadea08ebc451490c51cdad6bed
+Subproject commit cd9478610c792270490b479db1413d74113f587a