diff --git a/libwebp b/libwebp
index 7c70ff7..a4183d9 160000
--- a/libwebp
+++ b/libwebp
@@ -1 +1 @@
-Subproject commit 7c70ff7a3b81fbdac7ee138836743b2802e247d4
+Subproject commit a4183d94c77eed4adfbfdb959e3c7fe9ea8009f1