diff --git a/site-modules/profile/manifests/hedgedoc.pp b/site-modules/profile/manifests/hedgedoc.pp
index 49175669..51226222 100644
--- a/site-modules/profile/manifests/hedgedoc.pp
+++ b/site-modules/profile/manifests/hedgedoc.pp
@@ -1,139 +1,140 @@
 # deploy a hedgedoc instance
 class profile::hedgedoc {
 
   $packages = [
     'npm', 'yarn', 'node-gyp'
   ]
 
   $keyid = lookup('yarn::apt_config::keyid')
   $key =   lookup('yarn::apt_config::key')
 
   # ---- configuration
   $user = lookup('hedgedoc::user')
   $group = lookup('hedgedoc::group')
 
   $base_url = lookup('swh::deploy::hedgedoc::base_url')
 
   $db_host = lookup('hedgedoc::db::host')
   $db_name = lookup('hedgedoc::db::database')
   $db_user = lookup('hedgedoc::db::username')
   $db_password = lookup('swh::deploy::hedgedoc::db::password')
   $db_port = lookup('swh::postgresql::port')
   $db_url = "postgres://${db_user}:${db_password}@${db_host}:${db_port}/${db_name}"
 
   $allow_anonymous = lookup('hedgedoc::allow_anonymous')
   $allow_anonymous_edits = lookup('hedgedoc::allow_anonymous_edits')
   $allow_email = lookup('hedgedoc::allow_email')
   $allow_email_register = lookup('hedgedoc::allow_email_register')
 
   $runtime_environment = lookup('hedgedoc::runtime_environment')
   $log_level = lookup('hedgedoc::log_level')
 
   # ---- install
   $version = lookup('hedgedoc::release::version')
   $archive_url = "https://github.com/hedgedoc/hedgedoc/releases/download/${version}/hedgedoc-${version}.tar.gz"
   $archive_digest = lookup('hedgedoc::release::digest')
   $archive_digest_type = lookup('hedgedoc::release::digest_type')
   $archive_path = "/tmp/hedgedoc-${version}.tar.gz"
   $root_install_path = "/opt"
   $install_path = "${root_install_path}/hedgedoc"
   $upgrade_flag_path = "${install_path}/hedgedoc-${version}-upgrade"
 
   $sequelizerc_config_sequelizerc_path = "${install_path}/.sequelizerc"
   $sequelizerc_config_json_path = "${install_path}/config.json"
 
   $service_name = "hedgedoc"
   $unit_name = "${service_name}.service"
 
   apt::source { 'yarn':
     location => "https://dl.yarnpkg.com/debian/",
     release  => 'stable',
     repos    => 'main',
     key      => {
       id      => $keyid,
       content => $key,
     },
   } ->
   package { $packages:
     ensure => present,
     notify => Archive['hedgedoc'],
   }
 
   file { $install_path:
     ensure  => 'directory',
     owner   => $user,
     group   => $group,
     mode    => '0644',
     require => [User[$user], Group[$group]],
   }
 
   archive { 'hedgedoc':
     path          => $archive_path,
     extract       => true,
     source        => $archive_url,
     extract_path  => $root_install_path,
     creates       => $install_path,
     checksum      => $archive_digest,
     checksum_type => $archive_digest_type,
     cleanup       => true,
     user          => 'root',
     group         => 'root',
     notify        => File[$install_path],
   } ~>
   exec {'active-initialize':
     command      => "touch ${upgrade_flag_path}",
     path         => '/usr/bin',
     refreshonly  => true,
   } ~>
   exec {'hedgedoc-flag-upgrade':
     command     => "$install_path/bin/setup",
     cwd         => $install_path,
     require     => Postgresql::Server::Db[$db_name],
     refreshonly => true,
   } ~>
   file {$sequelizerc_config_json_path:
     ensure  => present,
     owner   => $user,
     group   => $group,
-    mode    => '0644',
+    # Contains credentials
+    mode    => '0600',
     content => template("profile/hedgedoc/config.json.erb"),
   } ~>
   file {$sequelizerc_config_sequelizerc_path:
     ensure  => present,
     owner   => $user,
     group   => $group,
     mode    => '0644',
     content => template("profile/hedgedoc/sequelizerc.erb"),
   } ~>
   exec {'yarn-build':
     command     => "yarn run build",
     cwd         => $install_path,
     path        => '/usr/bin',
     onlyif      => "test -f ${upgrade_flag_path}",
     refreshonly => true,
   } ~>
   exec {'hegdedoc-flag-upgrade-done':
     command     => "rm ${upgrade_flag_path}",
     cwd         => $install_path,
     path        => '/usr/bin',
     onlyif      => "test -f ${upgrade_flag_path}",
     refreshonly => true,
     notify      => Service[$service_name],
   }
 
   systemd::unit_file {$unit_name:
     ensure  => present,
     content => template('profile/hedgedoc/hedgedoc.service.erb'),
   }
 
   service {$service_name:
     ensure  => 'running',
     enable  => true,
     require => [
       Systemd::Unit_file[$unit_name],
       Package[$packages],
       Archive['hedgedoc'],
     ],
   }
 
 }