diff --git a/canal b/canal
index 420d831f..52b86947 160000
--- a/canal
+++ b/canal
@@ -1 +1 @@
-Subproject commit 420d831f0e22156af0268f99c891f43f812a50a6
+Subproject commit 52b8694707053b5138248da01fa75974c51f6284