diff --git a/project/lib/png b/project/lib/png
index 95d51b67a..601ea3ce9 160000
--- a/project/lib/png
+++ b/project/lib/png
@@ -1 +1 @@
-Subproject commit 95d51b67a1be7b8112b411f0d7f8f0cb70e68b58
+Subproject commit 601ea3ce9b4af315bed7f371348305b28b3a231c