diff --git a/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/MQTT.pm b/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/MQTT.pm
index 0416d4df55ce2d8009386003fe4490d93a750e3c..83754a72a2efbeb5c4973ec850a31225b318d067 100644
--- a/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/MQTT.pm
+++ b/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/MQTT.pm
@@ -1,12 +1,14 @@
 package Lemonldap::NG::Common::MessageBroker::MQTT;
 
 use strict;
-use Net::MQTT::Simple;
 
 our $VERSION = '2.20.0';
 
 sub new {
     my ( $class, $conf, $logger ) = @_;
+
+    require Net::MQTT::Simple;
+
     my $args = $conf->{messageBrokerOptions};
     $args //= {};
     $args->{server} ||= 'localhost:1883';
diff --git a/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Pg.pm b/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Pg.pm
index e15e9d0f479f672c67386bece42eb7c720daa946..dcd21f7f6417c848706631eca367b7efceb82e80 100644
--- a/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Pg.pm
+++ b/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Pg.pm
@@ -1,13 +1,13 @@
 package Lemonldap::NG::Common::MessageBroker::Pg;
 
 use strict;
-use DBI;
 use JSON;
 
 our $VERSION = '2.20.0';
 
 sub new {
     my ( $class, $conf, $logger ) = @_;
+    require DBI;
     my $args = $conf->{messageBrokerOptions};
     unless ($args
         and $args->{dbiChain}
diff --git a/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Redis.pm b/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Redis.pm
index e444395b72b4ace10a0865f4abc15bf29257a089..4a2b53fdc5c85c6c4b33e81e2f363529e343cc98 100644
--- a/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Redis.pm
+++ b/lemonldap-ng-common/lib/Lemonldap/NG/Common/MessageBroker/Redis.pm
@@ -1,13 +1,13 @@
 package Lemonldap::NG::Common::MessageBroker::Redis;
 
 use strict;
-use Redis;
 use JSON;
 
 our $VERSION = '2.20.0';
 
 sub new {
     my ( $class, $conf, $logger ) = @_;
+    require Redis;
     my $self = bless { logger => $logger }, $class;
     my $args = $conf->{messageBrokerOptions} // {};