diff --git a/src/zlib-ng b/src/zlib-ng
index d54e3769..c939498c 160000
--- a/src/zlib-ng
+++ b/src/zlib-ng
@@ -1 +1 @@
-Subproject commit d54e3769be0c522015b784eca2af258b1c026107
+Subproject commit c939498c7f2a1d645833a98251365e2c814fd736