diff --git a/debian/control b/debian/control
index 905723b..72e9929 100644
--- a/debian/control
+++ b/debian/control
@@ -8,6 +8,9 @@ Build-Depends:
  libgtk-3-dev,
  meson,
  pkg-config,
+# to run the tests
+ xvfb,
+ xauth,
 Standards-Version: 4.1.3
 Homepage: https://gitlab.gnome.org/Community/Purism/calls