diff --git a/requirements.txt b/requirements.txt
index aa11356..0d7d436 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ base58==2.1.1
 BigNumber==1
 bitarray==1.2.2
 cbpro==1.1.4
-certifi==2021.10.8
+certifi==2023.7.22
 cffi==1.15.0
 charset-normalizer==2.0.12
 click==8.1.3