diff --git a/requirements.txt b/requirements.txt
index 5fb37bf..073bf7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 astropy==5.2
 astroquery==0.4.6
 beautifulsoup4==4.11.1
-certifi==2022.12.7
+certifi==2023.7.22
 cffi==1.15.1
 charset-normalizer==2.1.1
 contourpy==1.0.6