diff --git a/README.md b/README.md
index 94f9ea7..ed00067 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ nginx, php, systemd
 8. Run `systemctl start php-fpm nginx` to start the web services and `systemctl status php-fpm` and `systemctl status nginx` to check for errors
 9. If there were no errors in the previous command, run `systemctl enable php-fpm nginx` to enable the web services at boot
 10. Ensure the public web directory exists and run `systemctl start letsencrypt` to generate the SSL certificates
-11. Run `systemctl enable letsencrypt.timer` to enable the auto-renewal process
+11. Run `systemctl start certbot-renewal.timer` and `systemctl enable certbot-renewal.timer` to start and enable the auto-renewal process
 
 ### MySQL Config
 
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 7e3adca..2f6fe34 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -15,6 +15,7 @@ http {
     keepalive_timeout             65;
     types_hash_max_size           2048;
     server_names_hash_bucket_size 64;
+    client_max_body_size          30M;
 
     gzip                          on;
     gzip_disable                  "msie6";
diff --git a/php/php.ini b/php/php.ini
index 06ddf14..68fe887 100644
--- a/php/php.ini
+++ b/php/php.ini
@@ -653,7 +653,7 @@ auto_globals_jit = On
 ; Its value may be 0 to disable the limit. It is ignored if POST data reading
 ; is disabled through enable_post_data_reading.
 ; http://php.net/post-max-size
-post_max_size = 10M
+post_max_size = 30M
 
 ; Automatically add files before PHP document.
 ; http://php.net/auto-prepend-file
@@ -795,7 +795,7 @@ file_uploads = On
 
 ; Maximum allowed size for uploaded files.
 ; http://php.net/upload-max-filesize
-upload_max_filesize = 10M
+upload_max_filesize = 30M
 
 ; Maximum number of files that can be uploaded via a single request
 max_file_uploads = 20
diff --git a/systemd/system/certbot-renewal.service b/systemd/system/certbot-renewal.service
new file mode 100644
index 0000000..74b1841
--- /dev/null
+++ b/systemd/system/certbot-renewal.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=Let's Encrypt renewal
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/certbot renew --rsa-key-size 4096
+ExecStartPost=/bin/systemctl reload nginx.service
diff --git a/systemd/system/certbot-renewal.timer b/systemd/system/certbot-renewal.timer
new file mode 100644
index 0000000..d5bebba
--- /dev/null
+++ b/systemd/system/certbot-renewal.timer
@@ -0,0 +1,9 @@
+[Unit]
+Description=Daily renewal of Let's Encrypt's certificates
+
+[Timer]
+OnCalendar=daily
+Persistent=true
+
+[Install]
+WantedBy=timers.target
diff --git a/systemd/system/letsencrypt.timer b/systemd/system/letsencrypt.timer
deleted file mode 100644
index 27b9d17..0000000
--- a/systemd/system/letsencrypt.timer
+++ /dev/null
@@ -1,9 +0,0 @@
-[Unit]
-Description=Monthly renewal on letsencrypt's certificates
-
-[Timer]
-OnCalendar=monthly
-Persistent=true
-
-[Install]
-WantedBy=timers.target