From a77e42875e19b3dae67412fe5ff93eb991d454b9 Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Thu, 11 Sep 2025 12:32:47 +0300
Subject: [PATCH] Increase dependency on MSC4153

---
 proposals/4350-appservice-encryption-impersonation.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/proposals/4350-appservice-encryption-impersonation.md b/proposals/4350-appservice-encryption-impersonation.md
index cf656545e..3e6ff6840 100644
--- a/proposals/4350-appservice-encryption-impersonation.md
+++ b/proposals/4350-appservice-encryption-impersonation.md
@@ -183,4 +183,6 @@ devices), so it should be easily noticeable.
 device metadata.
 
 ## Dependencies
-This MSC enhances [MSC4153], but does not formally depend on it.
+This MSC builds on [MSC4153]. While this proposal would technically work without
+4153, some security properties assume that 4153 is accepted either before or at
+the same time as this MSC.