diff --git a/contrib/libunwind b/contrib/libunwind
index 6b816d2fba3..c6d4f18a5f5 160000
--- a/contrib/libunwind
+++ b/contrib/libunwind
@@ -1 +1 @@
-Subproject commit 6b816d2fba3991f8fd6aaec17d92f68947eab667
+Subproject commit c6d4f18a5f5e41d8d737b2ae1adba764ba5aac89