diff --git a/unison b/unison
index 3721508a..c70f7e8e 160000
--- a/unison
+++ b/unison
@@ -1 +1 @@
-Subproject commit 3721508a732b648fb1e7c3fb8a303361c0f62fed
+Subproject commit c70f7e8eace05ce4761c671979656a5cf8542e20