diff --git a/requirement.txt b/requirement.txt
index 25c36df..ead3cd7 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,6 +1,6 @@
 asn1crypto==0.24.0
 bitcoin==1.1.42
-certifi==2018.8.24
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 configparser==3.5.0