diff --git a/crates/lz4-compress/RUSTSEC-0000-0000.toml b/crates/lz4-compress/RUSTSEC-0000-0000.toml
new file mode 100644
index 0000000..62e26de
--- /dev/null
+++ b/crates/lz4-compress/RUSTSEC-0000-0000.toml
@@ -0,0 +1,16 @@
+[advisory]
+id = "RUSTSEC-2020-0010"
+package = "lz4-compress"
+title = "lz4-compress is unmaintained"
+informational = "unmaintained"
+date = "2017-04-17" # last release on crates.io
+url = "https://gitlab.redox-os.org/redox-os/tfs/issues/89"
+description = """
+[According to the developers](https://gitlab.redox-os.org/redox-os/tfs/issues/89) this crate is no longer maintained.
+
+The suggested alternative is [`lz4-compression`](https://crates.io/crates/lz4-compression), a maintained fork of `lz4-compress`.
+"""
+
+[versions]
+unaffected = []
+patched = []