diff --git a/requirements.txt b/requirements.txt
index 56d7003..5785eeb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ astropy==5.1
 attrs==21.4.0
 boto3==1.24.22
 botocore==1.27.22
-certifi==2022.6.15
+certifi==2023.7.22
 cffi==1.15.1
 chardet==5.0.0
 ciso8601==2.2.0