diff --git a/apps/server/src/prisma/migrations/20260415103000_set_root_admin_to_system_external/migration.sql b/apps/server/src/prisma/migrations/20260415103000_set_root_admin_to_system_external/migration.sql
new file mode 100644
index 0000000000..7e3eefb25d
--- /dev/null
+++ b/apps/server/src/prisma/migrations/20260415103000_set_root_admin_to_system_external/migration.sql
@@ -0,0 +1,4 @@
+-- Set the Root Administrateur Plateforme admin role to external system-managed type
+UPDATE "AdminRole"
+SET "type" = 'system:external'
+WHERE "id" = '76229c96-4716-45bc-99da-00498ec9018c';