diff --git a/debian/tests/control b/debian/tests/control
index b467d57..b7655e4 100644
--- a/debian/tests/control
+++ b/debian/tests/control
@@ -1,6 +1,6 @@
 Tests: testsuite
 Depends: @, @builddeps@, build-essential,
-         xvfb, xauth, dbus-x11, openbox, xserver-xephyr
+         xvfb, xauth, dbus-x11, openbox, xserver-xephyr, libgl1-mesa-dri
 Restrictions: build-needed
 
 Tests: acc