diff --git a/src/png b/src/png
index 8129d71d80..d532334ef5 160000
--- a/src/png
+++ b/src/png
@@ -1 +1 @@
-Subproject commit 8129d71d80d1274b62949b07c4f2aef728c20fd9
+Subproject commit d532334ef514e9625559e76c83119d317ca790f3