diff --git a/requirements.txt b/requirements.txt
index 70e95fd6..7997317a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 asn1crypto==0.24.0
 attrs==19.1.0
 Babel==2.7.0
-certifi==2019.6.16
+certifi==2023.7.22
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0