diff --git a/data/conf/nginx/includes/site-defaults.conf b/data/conf/nginx/includes/site-defaults.conf
index b38f4b2d..d44ec01e 100644
--- a/data/conf/nginx/includes/site-defaults.conf
+++ b/data/conf/nginx/includes/site-defaults.conf
@@ -22,6 +22,10 @@
   add_header X-Permitted-Cross-Domain-Policies none;
   add_header Referrer-Policy strict-origin;
 
+  proxy_buffer_size 128k;
+  proxy_buffers 64 512k;
+  proxy_busy_buffers_size 512k;
+
   index index.php index.html;
 
   client_max_body_size 0;
@@ -163,7 +167,7 @@
     proxy_connect_timeout 75;
     proxy_send_timeout 3600;
     proxy_read_timeout 3600;
-    proxy_buffers 64 256k;
+    #proxy_buffers 64 256k;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header Host $http_host;
diff --git a/data/web/inc/init_db.inc.php b/data/web/inc/init_db.inc.php
index 3cab461e..8e8a63b5 100644
--- a/data/web/inc/init_db.inc.php
+++ b/data/web/inc/init_db.inc.php
@@ -3,7 +3,7 @@ function init_db_schema() {
   try {
     global $pdo;
 
-    $db_version = "18012022_1020";
+    $db_version = "22032022_1330";
 
     $stmt = $pdo->query("SHOW TABLES LIKE 'versions'");
     $num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
@@ -864,7 +864,7 @@ function init_db_schema() {
       "sogo_sessions_folder" => array(
         "cols" => array(
           "c_id" => "VARCHAR(255) NOT NULL",
-          "c_value" => "VARCHAR(255) NOT NULL",
+          "c_value" => "VARCHAR(4096) NOT NULL",
           "c_creationdate" => "INT(11) NOT NULL",
           "c_lastseen" => "INT(11) NOT NULL"
         ),
diff --git a/docker-compose.yml b/docker-compose.yml
index 4501d048..5a32236a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -166,7 +166,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.106
+      image: mailcow/sogo:1.107
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}