diff --git a/External/libpng b/External/libpng
index 82b4cc2..42cbec7 160000
--- a/External/libpng
+++ b/External/libpng
@@ -1 +1 @@
-Subproject commit 82b4cc2c6e6c766c890469070438ed007a9f17a6
+Subproject commit 42cbec70bce4b1d751043856601a1b43de27812d