diff --git a/rust/crates/truapi-server/src/lib.rs b/rust/crates/truapi-server/src/lib.rs
index d9ba7b79b..f203699aa 100644
--- a/rust/crates/truapi-server/src/lib.rs
+++ b/rust/crates/truapi-server/src/lib.rs
@@ -2,6 +2,9 @@
     clippy::double_must_use,
     reason = "async-trait generates must_use futures for async trait methods"
 )]
+// The pairing-flow future nests the chain, SSO and identity futures deeply
+// enough that proving the tree's auto traits exceeds the default limit.
+#![recursion_limit = "256"]
 
 //! TrUAPI server runtime: dispatcher, frames, SCALE encoding, stream management.
 //!