diff --git a/src/container_qt.cpp b/src/container_qt.cpp
index 134cbf7..aeff1e1 100644
--- a/src/container_qt.cpp
+++ b/src/container_qt.cpp
@@ -30,6 +30,11 @@ static const auto CSS_GENERIC_FONT_TO_QFONT_STYLEHINT = QMap<QString, QFont::Sty
                                                                                          { "ui-sans-serif", QFont::StyleHint::SansSerif },
                                                                                          { "ui-monospace", QFont::StyleHint::Monospace } };
 
+#include <string>
+#include <vector>
+#include <algorithm>
+#include <litehtml.h>
+
 container_qt::container_qt( QWidget* parent )
   : QAbstractScrollArea( parent )
 {