diff --git a/third_party/relation b/third_party/relation
index e510f32..39a0fa6 160000
--- a/third_party/relation
+++ b/third_party/relation
@@ -1 +1 @@
-Subproject commit e510f32ebaff647cebbf46c2378ffebd95c7f3b6
+Subproject commit 39a0fa64ce8c0593bbcd167b64dd3023846a85c9