diff --git a/Installation/requirements.txt b/Installation/requirements.txt
index f9c4c02e..333f4710 100644
--- a/Installation/requirements.txt
+++ b/Installation/requirements.txt
@@ -1,5 +1,5 @@
 astropy==2.0.2
-certifi==2016.2.28
+certifi==2023.7.22
 cycler==0.10.0
 matplotlib==2.0.2
 numpy==1.13.1