diff --git a/submodules/Postbox b/submodules/Postbox
index 434eeb4df2..a51b9f2cb1 160000
--- a/submodules/Postbox
+++ b/submodules/Postbox
@@ -1 +1 @@
-Subproject commit 434eeb4df24371ec094070a6453b31bf58d8e35c
+Subproject commit a51b9f2cb130e0f8d9e119a89224ac1ed755afc7