diff --git a/control b/control
index 6fb577f..c97efa8 100644
--- a/control
+++ b/control
@@ -6,6 +6,6 @@ Maintainer: Benjamin Dauvergne <bdauvergne@entrouvert.com>
 
 Package: authentic2-supann
 Architecture: all
-Depends: authentic2, apache2, wget, libxml2-utils
+Depends: authentic2, apache2, wget, libxml2-utils, xmlsec1
 Pre-Depends: postgresql
 Description:  adaptations and basic configuration for using authentic2 on a SUPANN directory