diff --git a/crates/plutonium/RUSTSEC-2020-0011.toml b/crates/plutonium/RUSTSEC-2020-0011.toml
index 5db3f9295..6d033519f 100644
--- a/crates/plutonium/RUSTSEC-2020-0011.toml
+++ b/crates/plutonium/RUSTSEC-2020-0011.toml
@@ -2,6 +2,7 @@
 id = "RUSTSEC-2020-0011"
 package = "plutonium"
 date = "2020-04-23"
+obsolete = true
 informational = "notice"
 title = "Library exclusively intended to obfuscate code."
 url = "https://docs.rs/plutonium/0.2.2/plutonium/"