diff --git a/letters b/letters
index d44b88f..b84cb17 160000
--- a/letters
+++ b/letters
@@ -1 +1 @@
-Subproject commit d44b88fa908682d5f68a27b491f6d0e57e66fa4c
+Subproject commit b84cb17b44b112f69b0799e6066ffbe635add1a9