diff --git a/third_party/relation b/third_party/relation
index d03402c..b570f17 160000
--- a/third_party/relation
+++ b/third_party/relation
@@ -1 +1 @@
-Subproject commit d03402c6a67e4735c4415c8e828b261615d5f6e7
+Subproject commit b570f177a92332d29f01aaa155351b49966c693a