diff --git a/submodules/wuffs-mirror-release-c b/submodules/wuffs-mirror-release-c
index c63c4a9..50869df 160000
--- a/submodules/wuffs-mirror-release-c
+++ b/submodules/wuffs-mirror-release-c
@@ -1 +1 @@
-Subproject commit c63c4a9348fb1b52a9b60a6eb62328a97d979d9e
+Subproject commit 50869df0ea703b4f41b238bfe26aec6ec9c86889