diff --git a/thirdparty/libpng/libpng b/thirdparty/libpng/libpng
index ed6db9d8..b50d5cea 160000
--- a/thirdparty/libpng/libpng
+++ b/thirdparty/libpng/libpng
@@ -1 +1 @@
-Subproject commit ed6db9d86b2aa32c616c96701da3b8d3bfe7c2c9
+Subproject commit b50d5cea2b9ebc10d6c329b15d4cf7c5d8a209f4