diff --git a/flexiapi/database/migrations/2022_06_29_100221_create_external_accounts_table.php b/flexiapi/database/migrations/2022_06_29_100221_create_external_accounts_table.php
index 0ffdf69..9dfa1da 100644
--- a/flexiapi/database/migrations/2022_06_29_100221_create_external_accounts_table.php
+++ b/flexiapi/database/migrations/2022_06_29_100221_create_external_accounts_table.php
@@ -25,7 +25,7 @@ class CreateExternalAccountsTable extends Migration
         });
 
         Schema::table('accounts', function (Blueprint $table) {
-            $table->string('group')->nullable();
+            $table->string('group', 16)->nullable();
             $table->index('group');
         });
     }
diff --git a/flexisip-account-manager.spec b/flexisip-account-manager.spec
index 6d3b634..bbd71a9 100644
--- a/flexisip-account-manager.spec
+++ b/flexisip-account-manager.spec
@@ -8,7 +8,7 @@
 #%define _datadir           %{_datarootdir}
 #%define _docdir            %{_datadir}/doc
 
-%define build_number 144
+%define build_number 145
 %define var_dir /var/opt/belledonne-communications
 %define opt_dir /opt/belledonne-communications/share/flexisip-account-manager