diff --git a/pulsatingscience.pro b/pulsatingscience.pro
index fda6f61a8edbead2773bd4ad86dd5385a5ce706b..3102402ae913487a2b9771f0e701e9bc84aa71a8 100644
--- a/pulsatingscience.pro
+++ b/pulsatingscience.pro
@@ -21,7 +21,7 @@ TEMPLATE = app
 TARGET = GW170817
 CONFIG += qt warn_on debug_and_release
 QT += core \
-    gui \
+    widgets \
     opengl
 HEADERS += src/pulsaranimationwidget.h \
     src/pulsescopewidget.h \
diff --git a/src/pulsatingscience.h b/src/pulsatingscience.h
index 02923c60e31b218773b82774c255062261670166..f23d95e38378753c058307aa7774e46e6073b070 100644
--- a/src/pulsatingscience.h
+++ b/src/pulsatingscience.h
@@ -21,9 +21,9 @@
 #ifndef PULSATINGSCIENCE_H
 #define PULSATINGSCIENCE_H
 
-#include <QtGui/QMainWindow>
-#include <QtGui/QMessageBox>
-#include <QtGui/QShortcut>
+#include <QtWidgets/QMainWindow>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QShortcut>
 #include <QDesktopServices>
 #include <QUrl>
 
diff --git a/src/pulsatingscience.ui b/src/pulsatingscience.ui
index f85ac031f443f8a06348e39defdeb56396a772af..54ecbdfe832f5a357432c6a0d2b761fc1ba0d34e 100644
--- a/src/pulsatingscience.ui
+++ b/src/pulsatingscience.ui
@@ -103,7 +103,7 @@
        </item>
        <item row="1" column="2">
         <widget class="QLCDNumber" name="lcdLLOAngle">
-         <property name="numDigits">
+         <property name="digitCount">
           <number>6</number>
          </property>
          <property name="segmentStyle">
@@ -132,7 +132,7 @@
        </item>
        <item row="5" column="2">
         <widget class="QLCDNumber" name="lcdSourceInclination">
-         <property name="numDigits">
+         <property name="digitCount">
           <number>6</number>
          </property>
          <property name="segmentStyle">
@@ -168,7 +168,7 @@
        </item>
        <item row="4" column="2">
         <widget class="QLCDNumber" name="lcdSourceIota">
-         <property name="numDigits">
+         <property name="digitCount">
           <number>6</number>
          </property>
          <property name="segmentStyle">
@@ -225,7 +225,7 @@
        </item>
        <item row="0" column="2">
         <widget class="QLCDNumber" name="lcdLHOAngle">
-         <property name="numDigits">
+         <property name="digitCount">
           <number>6</number>
          </property>
          <property name="segmentStyle">
@@ -252,7 +252,7 @@
        </item>
        <item row="3" column="2">
         <widget class="QLCDNumber" name="lcdVirgoAngle">
-         <property name="numDigits">
+         <property name="digitCount">
           <number>6</number>
          </property>
          <property name="segmentStyle">
@@ -413,7 +413,7 @@
          <property name="styleSheet">
           <string notr="true">color:rgb(0, 0, 255)</string>
          </property>
-         <property name="numDigits">
+         <property name="digitCount">
           <number>4</number>
          </property>
         </widget>
@@ -426,7 +426,7 @@
          <property name="styleSheet">
           <string notr="true">color:rgb(255, 0, 0)</string>
          </property>
-         <property name="numDigits">
+         <property name="digitCount">
           <number>4</number>
          </property>
         </widget>
@@ -439,7 +439,7 @@
          <property name="styleSheet">
           <string notr="true">color:rgb(0, 153, 0)</string>
          </property>
-         <property name="numDigits">
+         <property name="digitCount">
           <number>4</number>
          </property>
         </widget>