diff --git a/Cargo.toml b/Cargo.toml
index 6c31660..e59b359 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,3 +59,4 @@ unsafe_code = "deny"
 [lints.clippy]
 unwrap_used = "warn"
 exit = "deny"
+format_push_string = "warn"