diff --git a/requirements.txt b/requirements.txt
index 1cf1896..8342654 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ attrs==19.3.0
 base58==2.0.0
 bitarray==1.2.2
 cachetools==4.1.1
-certifi==2020.4.5.1
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 click==7.1.2