diff --git a/Cargo.toml b/Cargo.toml
index ee228792..20beada5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ ruma-state-res = { version = "0.11.0", path = "crates/ruma-state-res" }
 serde = { version = "1.0.164", features = ["derive"] }
 serde_html_form = "0.2.0"
 serde_json = "1.0.87"
-thiserror = "1.0.37"
+thiserror = "2.0.0"
 tracing = { version = "0.1.37", default-features = false, features = ["std"] }
 url = { version = "2.5.0" }
 web-time = "1.1.0"