diff --git a/deny.toml b/deny.toml
index 121f1d1..637d6d7 100644
--- a/deny.toml
+++ b/deny.toml
@@ -6,7 +6,6 @@ copyleft = "deny"
 ignore = [
     "RUSTSEC-2020-0071", # chrono 経由の依存で、chrono では該当 API つかってない https://github.com/chronotope/chrono/blob/main/deny.toml
     "RUSTSEC-2021-0145", # atty: dev deps
-    "RUSTSEC-2021-0139", # ansi_term: dev deps
 ]
 
 unmaintained = "deny"