diff --git a/giza/requirements.txt b/giza/requirements.txt
index 50f88567..cb91a065 100644
--- a/giza/requirements.txt
+++ b/giza/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 argh==0.26.2
 asn1crypto==0.24.0
 Babel==2.9.1
-certifi==2019.6.16
+certifi==2023.7.22
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0