diff --git a/aes_dl/requirements.txt b/aes_dl/requirements.txt
index 69a1177..dbff21d 100644
--- a/aes_dl/requirements.txt
+++ b/aes_dl/requirements.txt
@@ -1,5 +1,5 @@
 asn1crypto==1.2.0
-certifi==2019.9.11
+certifi==2022.12.7
 cffi==1.13.0
 chardet==3.0.4
 conda==4.7.12