diff --git a/requirements.txt b/requirements.txt
index adec071..04c08b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.3.9
+certifi==2023.7.22
 cffi==1.12.3
 chardet==3.0.4
 cuthon==0.5