diff --git a/third_party/relation b/third_party/relation
index 85d2769..bb4120b 160000
--- a/third_party/relation
+++ b/third_party/relation
@@ -1 +1 @@
-Subproject commit 85d2769ac0e39162d098785e8cbf34469ab34b0d
+Subproject commit bb4120b2891401a42099a7deb36f03b9951d9bf3