diff --git a/serde_derive_internals/lib.rs b/serde_derive_internals/lib.rs
index 67d8609f..3fd17dc1 100644
--- a/serde_derive_internals/lib.rs
+++ b/serde_derive_internals/lib.rs
@@ -29,6 +29,7 @@
     clippy::missing_errors_doc,
     clippy::module_name_repetitions,
     clippy::must_use_candidate,
+    clippy::return_self_not_must_use,
     clippy::similar_names,
     clippy::single_match_else,
     clippy::struct_excessive_bools,