diff --git a/modules/Installer/Config/config.php b/modules/Installer/Config/config.php
index 60713270..22fdc4d3 100644
--- a/modules/Installer/Config/config.php
+++ b/modules/Installer/Config/config.php
@@ -15,6 +15,7 @@ return [
     ],
 
     'extensions' => [
+        'bcmath',
         'openssl',
         'pdo',
         'mbstring',