diff --git a/extensions/unison b/extensions/unison
index 3610e13799..a7f8e25ac3 160000
--- a/extensions/unison
+++ b/extensions/unison
@@ -1 +1 @@
-Subproject commit 3610e13799f6b5a2dfe6447494d1d91c47aa0735
+Subproject commit a7f8e25ac39525684c59b45548414eb81cf0e731