diff --git a/Generate_Certificates.sh b/Generate_Certificates.sh
index 24af5e5..e297038 100755
--- a/Generate_Certificates.sh
+++ b/Generate_Certificates.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 mkdir certificates
-openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout certificates/server_jupyter_based.crt.key -out certificates/server_jupyter_based.crt.pem
+openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout certificates/server_jupyter_based.crt.key -out certificates/server_jupyter_based.crt.pem