diff --git a/src/main/Cargo.toml b/src/main/Cargo.toml
index e61dbcc6..8031e068 100644
--- a/src/main/Cargo.toml
+++ b/src/main/Cargo.toml
@@ -27,6 +27,8 @@ maintainer = "continuwuity developers <contact@continuwuity.org>"
 copyright = "2024, continuwuity developers"
 license-file = ["../../LICENSE", "3"]
 depends = "$auto, ca-certificates"
+breaks = ["conduwuit (<<0.5.0)"]
+replaces = ["conduwuit (<<0.5.0)"]
 extended-description = """\
 a cool hard fork of Conduit, a Matrix homeserver written in Rust"""
 section = "net"