diff --git a/mail/requirements.txt b/mail/requirements.txt
index d37b78f8..fc898f8f 100644
--- a/mail/requirements.txt
+++ b/mail/requirements.txt
@@ -4,7 +4,7 @@ base58check==1.0.2
 bip32utils==0.3.post3
 bitcoin-python==0.3
 bottle==0.12.13
-certifi==2018.4.16
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 clickhouse-driver==0.0.10