diff --git a/requirements.txt b/requirements.txt
index 97b533f..94485e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 base58check==1.0.2
 bitcoin==1.1.42
 bitcoin-utils==0.4.11
-certifi==2020.6.20
+certifi==2022.12.7
 cffi==1.14.3
 chardet==3.0.4
 click==7.1.2