diff --git a/CMakeLists.txt b/CMakeLists.txt
index 014b755..b077d6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,8 +8,8 @@ include(CMakePackageConfigHelpers)
 include(CheckFunctionExists)
 include(CheckIncludeFile)
 
-set(REQUIRED_QT_VERSION "5.6")
-set(LXQTBT_MINIMUM_VERSION "0.4.0")
+set(REQUIRED_QT_VERSION "5.7.1")
+set(LXQTBT_MINIMUM_VERSION "0.4.1")
 
 option(UPDATE_TRANSLATIONS "Update source translation translations/*.ts files" OFF)
 option(BUILD_EXAMPLE "Build example application. Default OFF." OFF)
@@ -201,6 +201,7 @@ target_compile_definitions(${QTERMWIDGET_LIBRARY_NAME}
         "TRANSLATIONS_DIR=\"${TRANSLATIONS_DIR}\""
         "HAVE_POSIX_OPENPT"
         "HAVE_SYS_TIME_H"
+        "QT_NO_FOREACH"
 )
 
 
diff --git a/lib/Emulation.cpp b/lib/Emulation.cpp
index 2dfb956..8140ba2 100644
--- a/lib/Emulation.cpp
+++ b/lib/Emulation.cpp
@@ -132,7 +132,7 @@ void Emulation::setScreen(int n)
   if (_currentScreen != old)
   {
      // tell all windows onto this emulation to switch to the newly active screen
-     foreach(ScreenWindow* window,_windows)
+     for(ScreenWindow* window : const_cast<const QList<ScreenWindow*>&>(_windows))
          window->setScreen(_currentScreen);
   }
 }
diff --git a/lib/ShellCommand.cpp b/lib/ShellCommand.cpp
index 210285c..ee7104e 100644
--- a/lib/ShellCommand.cpp
+++ b/lib/ShellCommand.cpp
@@ -96,7 +96,7 @@ QStringList ShellCommand::expand(const QStringList & items)
 {
     QStringList result;
 
-    foreach(const QString &item, items ) {
+    for(const QString &item : items) {
         result << expand(item);
     }
 
diff --git a/lib/TerminalDisplay.cpp b/lib/TerminalDisplay.cpp
index 3e93f13..e13b085 100644
--- a/lib/TerminalDisplay.cpp
+++ b/lib/TerminalDisplay.cpp
@@ -1028,7 +1028,8 @@ void TerminalDisplay::scrollImage(int lines , const QRect& screenWindowRegion)
 QRegion TerminalDisplay::hotSpotRegion() const
 {
     QRegion region;
-    foreach( Filter::HotSpot* hotSpot , _filterChain->hotSpots() )
+    const auto hotSpots = _filterChain->hotSpots();
+    for( Filter::HotSpot* const hotSpot : hotSpots )
     {
         QRect r;
         if (hotSpot->startLine()==hotSpot->endLine()) {
@@ -1377,7 +1378,8 @@ void TerminalDisplay::paintEvent( QPaintEvent* pe )
   }
   else
   {
-      foreach (const QRect &rect, (pe->region() & contentsRect()).rects())
+      const auto rects = (pe->region() & contentsRect()).rects();
+      for (const QRect &rect : rects)
       {
         drawBackground(paint,rect,palette().background().color(),
                        true /* use opacity setting */);
diff --git a/lib/qtermwidget.cpp b/lib/qtermwidget.cpp
index 40ebb92..1136459 100644
--- a/lib/qtermwidget.cpp
+++ b/lib/qtermwidget.cpp
@@ -474,7 +474,8 @@ void QTermWidget::setColorScheme(const QString& origName)
 QStringList QTermWidget::availableColorSchemes()
 {
     QStringList ret;
-    foreach (const ColorScheme* cs, ColorSchemeManager::instance()->allColorSchemes())
+    const auto allColorSchemes = ColorSchemeManager::instance()->allColorSchemes();
+    for (const ColorScheme* cs : allColorSchemes)
         ret.append(cs->name());
     return ret;
 }