diff --git a/crates/proc-macro-error/RUSTSEC-2024-0370.md b/crates/proc-macro-error/RUSTSEC-2024-0370.md
index 8a81b960e..307fb34f8 100644
--- a/crates/proc-macro-error/RUSTSEC-2024-0370.md
+++ b/crates/proc-macro-error/RUSTSEC-2024-0370.md
@@ -18,4 +18,6 @@ proc-macro-error also depends on `syn 1.x`, which may be bringing duplicate depe
 
 ## Possible Alternative(s)
 
+- [manyhow](https://crates.io/crates/manyhow)
 - [proc-macro-error2](https://crates.io/crates/proc-macro-error2)
+- [proc-macro2-diagnostics](https://github.com/SergioBenitez/proc-macro2-diagnostics)
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