diff --git a/.gitignore b/.gitignore
index a47a913..45a47dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ kchmviewer-5.2.tar.gz
 /kchmviewer-7.1.tar.gz
 /kchmviewer-7.3.tar.gz
 /kchmviewer-7.5.tar.gz
+/kchmviewer-7.7.tar.gz
diff --git a/kchmviewer-7.7-qtwebengine-disable.patch b/kchmviewer-7.7-qtwebengine-disable.patch
new file mode 100644
index 0000000..831ac16
--- /dev/null
+++ b/kchmviewer-7.7-qtwebengine-disable.patch
@@ -0,0 +1,24 @@
+diff -Naur kchmviewer-7.7.orig/src/src.pro kchmviewer-7.7/src/src.pro
+--- kchmviewer-7.7.orig/src/src.pro	2016-10-05 09:35:34.149265000 +0200
++++ kchmviewer-7.7/src/src.pro	2017-02-07 15:16:27.749908883 +0100
+@@ -114,20 +114,10 @@
+ 
+ greaterThan(QT_MAJOR_VERSION, 4) {
+     # Qt 5
+-    greaterThan(QT_MINOR_VERSION, 5) {
+-        # Qt 5.6+
+-        error("You use Qt5.6+ - QWebEngine is not yet suitable for kchmviewer and is not supported")
+-        QT += webengine webenginewidgets
+-        DEFINES += USE_WEBENGINE
+-        SOURCES += viewwindow_webengine.cpp dataprovider_qwebengine.cpp
+-        HEADERS += dataprovider_qwebengine.h viewwindow_webengine.h
+-    } else {
+-        # Qt 5.0-5.5
+         QT += webkit webkitwidgets
+         DEFINES += USE_WEBKIT
+         SOURCES += viewwindow_webkit.cpp dataprovider_qwebkit.cpp
+         HEADERS += dataprovider_qwebkit.h viewwindow_webkit.h
+-    }
+ } else {
+     message("Qt4 is not supported anymore, please do not report any errors")
+     QT += webkit webkitwidgets
diff --git a/kchmviewer-7.7-underlinking.patch b/kchmviewer-7.7-underlinking.patch
new file mode 100644
index 0000000..75bfed8
--- /dev/null
+++ b/kchmviewer-7.7-underlinking.patch
@@ -0,0 +1,11 @@
+--- a/src/src.pro
++++ b/src/src.pro
+@@ -108,7 +108,7 @@
+     HEADERS += dbus_interface.h
+     SOURCES += dbus_interface.cpp
+     CONFIG += dbus
+-    LIBS += ../lib/libebook/libebook.a
++    LIBS += ../lib/libebook/libebook.a -lchm -lzip
+     POST_TARGETDEPS += ../lib/libebook/libebook.a
+ }
+ 
diff --git a/kchmviewer.spec b/kchmviewer.spec
index 833fd54..bf84a87 100644
--- a/kchmviewer.spec
+++ b/kchmviewer.spec
@@ -1,11 +1,13 @@
 Name:           kchmviewer
-Version:        7.5
-Release:        13%{?dist}
+Version:        7.7
+Release:        1%{?dist}
 Summary:        CHM viewer
 
 License:        GPLv3+
 URL:            http://www.kchmviewer.net/
 Source0:        http://downloads.sourceforge.net/kchmviewer/kchmviewer-%{version}.tar.gz
+Patch0:         https://raw.githubusercontent.com/scx/flathub/820954b40029ab1ebe9a2c20d08e009bf8dc59d0/kchmviewer-7.7-qtwebengine-disable.patch
+Patch1:         https://raw.githubusercontent.com/scx/flathub/820954b40029ab1ebe9a2c20d08e009bf8dc59d0/kchmviewer-7.7-underlinking.patch
 Provides:       %{name}-qt = %{version}-%{release}
 Obsoletes:      %{name}-qt < 7.3
 
@@ -33,6 +35,8 @@ Common data files for KchmViewer.
 
 %prep
 %setup -q
+%patch0 -p1
+%patch1 -p1
 
 
 %build
@@ -63,6 +67,9 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/%{name}.desktop
 
 
 %changelog
+* Sat Mar 21 2020 Robin Lee <cheeselee@fedoraproject.org> - 7.7-1
+- Update to 7.7 (RHBZ#1382189)
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 7.5-13
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
diff --git a/sources b/sources
index ef98c86..8429437 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8de084103375a33833ba5331a89ff7b9  kchmviewer-7.5.tar.gz
+SHA512 (kchmviewer-7.7.tar.gz) = e217db388f99142114e4de6735916d46c9d89f144390b58dffd739ed7246048c23af75c2eb9effba3e942a21564f9205265155a93a21d6343bea83a26fd99070