diff --git a/src/png b/src/png
index 3ffeff7877..9853c67ab4 160000
--- a/src/png
+++ b/src/png
@@ -1 +1 @@
-Subproject commit 3ffeff7877598d3236cc09a6d3f478073eb33f35
+Subproject commit 9853c67ab43053b1bbe05edde3dc12854d48b158