diff --git a/Makefile b/Makefile
index 5c19b3b..e0594c0 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@ clean:
 docker-tests:
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.11-alpine sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.10-alpine sh scripts/runtests.sh
+	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.12        sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.11        sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.10        sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.9         sh scripts/runtests.sh
@@ -38,6 +39,11 @@ setup:
 cleanup:
 	pipenv --rm
 
+update:
+	rm requirements.txt Pipfile.lock
+	pipenv update
+	pipenv requirements > requirements.txt
+
 shell:
 	MYPYPATH=`pipenv --venv`/lib/python3.11/site-packages pipenv shell
 	
diff --git a/Pipfile.lock b/Pipfile.lock
index 64aded1..3d57926 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -22,6 +22,7 @@
                 "sha256:f9243b7dfe00aaf567da8728d891752426b51392174a34d2cf5c18053b63dcbc"
             ],
             "index": "pypi",
+            "markers": "python_version ~= '3.7'",
             "version": "==1.4.4.post2"
         },
         "atpublic": {
@@ -46,6 +47,7 @@
                 "sha256:ff4cd7ca75c9a8306b69ef6e878c296a5602f3279c6f9a82b6105b8eba764760"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.8'",
             "version": "==1.2"
         }
     },
diff --git a/deploy_configs/mail4one_cert_copy.sh b/deploy_configs/mail4one_cert_copy.sh
index de263a4..bd44084 100755
--- a/deploy_configs/mail4one_cert_copy.sh
+++ b/deploy_configs/mail4one_cert_copy.sh
@@ -2,13 +2,11 @@
 
 #  certbot deploy hook to copy certificates to mail4one when renewed.
 #  Initial setup, Install certbot(https://certbot.eff.org/) and run `certbot certonly` as root
+#  Doc: https://eff-certbot.readthedocs.io/en/latest/using.html#renewing-certificates
 #
 #  This file is supposed to be copied to /etc/letsencrypt/renewal-hooks/deploy/
 #  Change the mail domain to the one on MX record
 
-set -x
-
-
 if [ "$RENEWED_DOMAINS" = "mail.mydomain.com" ]
 then
 		mkdir -p /var/lib/mail4one/certs
@@ -17,4 +15,5 @@ then
 		cp "$RENEWED_LINEAGE/fullchain.pem" /var/lib/mail4one/certs/
 		cp "$RENEWED_LINEAGE/privkey.pem" /var/lib/mail4one/certs/
 		systemctl restart mail4one.service
+		echo "$(date) Renewed and deployed certificates for mail4one" >> /var/log/mail4one-cert-renew.log
 fi
diff --git a/requirements.txt b/requirements.txt
index 068384e..6c908e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -i https://pypi.org/simple
-aiosmtpd==1.4.4.post2
-atpublic==4.0 ; python_version >= '3.8'
-attrs==23.1.0 ; python_version >= '3.7'
-python-jata==1.2
+aiosmtpd==1.4.4.post2; python_version ~= '3.7'
+atpublic==4.0; python_version >= '3.8'
+attrs==23.1.0; python_version >= '3.7'
+python-jata==1.2; python_version >= '3.8'