diff --git a/arrenc/requirements.txt b/arrenc/requirements.txt
index d6229a1..9f6ee42 100644
--- a/arrenc/requirements.txt
+++ b/arrenc/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 click==7.1.2
 Flask==1.1.2