diff --git a/crates/twoway/RUSTSEC-0000-0000.md b/crates/twoway/RUSTSEC-0000-0000.md
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+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "twoway"
+date = "2021-05-20"
+url = "https://github.com/bluss/twoway"
+references = ["https://github.com/bluss/twoway/commit/e99b3c718df1117ad7f54c33f6540c8f46cc17dd"]
+informational = "unmaintained"
+
+[versions]
+patched = []
+```
+
+# Crate `twoway` deprecated by the author
+
+The commit [`e99b3c7`](https://github.com/bluss/twoway/commit/e99b3c718df1117ad7f54c33f6540c8f46cc17dd) releasing version 0.2.2 explicitely deprecates `twoway` in favour of [`memchr`](https://crates.io/crates/memchr) crate.