diff --git a/proposals/2787-v6-default-version.md b/proposals/2788-v6-default-version.md
similarity index 95%
rename from proposals/2787-v6-default-version.md
rename to proposals/2788-v6-default-version.md
index 76b09500..af9672a4 100644
--- a/proposals/2787-v6-default-version.md
+++ b/proposals/2788-v6-default-version.md
@@ -1,4 +1,4 @@
-# MSC2787: Room version 6 as a default
+# MSC2788: Room version 6 as a default
 
 Enough time has passed to allow the public federation to upgrade their servers to support room
 version 6. This proposal aims to make v6 the default room version.