diff --git a/requirements_test.txt b/requirements_test.txt
index 6983869..fcf78e3 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -4,7 +4,7 @@ asttokens==2.4.1
 attrs==23.2.0
 beautifulsoup4==4.12.3
 branca==0.7.1
-certifi==2024.2.2
+certifi==2024.7.4
 charset-normalizer==3.3.2
 click==8.1.7
 cmdstanpy==1.2.2