diff -NurdZ qdigidoc4_4.0.0.23.orig/client/dialogs/PinUnblock.cpp qdigidoc4_4.0.0.23/client/dialogs/PinUnblock.cpp
--- qdigidoc4_4.0.0.23.orig/client/dialogs/PinUnblock.cpp	2018-06-01 08:20:05.000000000 +0300
+++ qdigidoc4_4.0.0.23/client/dialogs/PinUnblock.cpp	2018-06-12 16:24:42.266717807 +0300
@@ -25,6 +25,7 @@
 
 #include <QLabel>
 #include <QList>
+#include <QtGui/QRegExpValidator>
 
 
 struct InfoLine
diff -NurdZ qdigidoc4_4.0.0.23.orig/client/dialogs/Updater.cpp qdigidoc4_4.0.0.23/client/dialogs/Updater.cpp
--- qdigidoc4_4.0.0.23.orig/client/dialogs/Updater.cpp	2018-06-01 08:20:05.000000000 +0300
+++ qdigidoc4_4.0.0.23/client/dialogs/Updater.cpp	2018-06-12 16:23:14.046367649 +0300
@@ -40,6 +40,7 @@
 #include <QtNetwork/QNetworkProxy>
 #include <QtNetwork/QNetworkReply>
 #include <QtNetwork/QSslKey>
+#include <QtGui/QRegExpValidator>
 #include <QtGui/QPainter>
 #include <QtWidgets/QPushButton>
 
diff -NurdZ qdigidoc4_4.0.0.23.orig/client/widgets/OtherData.h qdigidoc4_4.0.0.23/client/widgets/OtherData.h
--- qdigidoc4_4.0.0.23.orig/client/widgets/OtherData.h	2018-06-01 08:20:05.000000000 +0300
+++ qdigidoc4_4.0.0.23/client/widgets/OtherData.h	2018-06-12 16:31:54.445526409 +0300
@@ -21,6 +21,7 @@
 
 #include <QWidget>
 #include <QPainter>
+#include <QtWidgets/QStyleOption>
 
 namespace Ui {
 class OtherData;
diff -NurdZ qdigidoc4_4.0.0.23.orig/common/qtsingleapplication/CMakeLists.txt qdigidoc4_4.0.0.23/common/qtsingleapplication/CMakeLists.txt
--- qdigidoc4_4.0.0.23.orig/common/qtsingleapplication/CMakeLists.txt	2018-06-01 08:20:06.000000000 +0300
+++ qdigidoc4_4.0.0.23/common/qtsingleapplication/CMakeLists.txt	2018-06-12 16:20:07.692294653 +0300
@@ -5,5 +5,5 @@
 set_target_properties( qtsingleapplication PROPERTIES AUTOMOC TRUE )
 
 if( Qt5Widgets_FOUND )
-	qt5_use_modules( qtsingleapplication Widgets Network )
+	target_link_libraries(qtsingleapplication Qt5::Widgets Qt5::Network)
 endif()