diff --git a/system/dbus/dbus_test.go b/system/dbus/dbus_test.go
index bf3d3e7..85a1eeb 100644
--- a/system/dbus/dbus_test.go
+++ b/system/dbus/dbus_test.go
@@ -63,6 +63,10 @@ func TestProxyStartWaitCloseString(t *testing.T) {
 	t.Run("direct", func(t *testing.T) { testProxyFinaliseStartWaitCloseString(t, false) })
 }
 
+const (
+	stubProxyTimeout = 30 * time.Second
+)
+
 func testProxyFinaliseStartWaitCloseString(t *testing.T, useSandbox bool) {
 	{
 		oldWaitDelay := helper.WaitDelay
@@ -118,7 +122,7 @@ func testProxyFinaliseStartWaitCloseString(t *testing.T, useSandbox bool) {
 				}
 			})
 
-			ctx, cancel := context.WithTimeout(t.Context(), 5*time.Second)
+			ctx, cancel := context.WithTimeout(t.Context(), stubProxyTimeout)
 			defer cancel()
 			output := new(strings.Builder)
 			if !useSandbox {