diff --git a/requirements.txt b/requirements.txt
index 5bc38b4..f3fcd69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 bip32utils
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 ecdsa==0.13
 future==0.16.0