diff --git a/requirements.txt b/requirements.txt
index 2edb4d7..3d81622 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ astropy>=4.2.1
 astroquery
 barycorrpy
 beautifulsoup4
-certifi==2022.12.7
+certifi==2023.7.22
 click
 colorlog
 matplotlib