diff --git a/requirements.txt b/requirements.txt
index af3349c1a..5851d7b87 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ attrs==20.2.0
 base58==2.0.1
 bitarray==1.2.2
 cachetools==4.1.1
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 cytoolz==0.11.0