diff --git a/calibre.spec b/calibre.spec
index 47ccad6..e34bf7b 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -1,6 +1,6 @@
 Name:          calibre
 Version:       4.1.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A free and open source e-book library management application
 Group:         Graphical Desktop/Applications/Multimedia
 Vendor:        openmamba
@@ -52,6 +52,7 @@ BuildRequires: python-dukpy
 BuildRequires: python-html5-parser
 BuildRequires: pyicu
 BuildRequires: PyQt5-devel
+BuildRequires: pyqtwebengine
 BuildRequires: python-webencodings
 BuildRequires: python-regex
 BuildRequires: python-msgpack
@@ -60,7 +61,8 @@ BuildRequires: python-css-parser
 BuildRequires: python-beautifulsoup4
 BuildRequires: python-apsw
 BuildRequires: python-soupsieve
-Requires:      PyQt5
+Requires:      PyQt5 >= 5.13.0
+Requires:      pyqtwebengine >= 5.13.0
 Requires:      python-lxml
 Requires:	   python-six
 Requires:      python-apsw
@@ -92,11 +94,6 @@ calibre is a free and open source e-book library management application develope
 %prep
 %setup -q
 #-D -T
-#-n %{name}
-#%patch0 -p1
-#%patch1 -p1
-#%patch2 -p1
-#%patch3 -p1
 
 %build
 #:<< _EOF
@@ -131,7 +128,7 @@ CFLAGS="%{optflags}" %{__python27} setup.py resources
 %{_datadir}/applications/calibre-*.desktop
 %{_datadir}/metainfo/calibre-*.xml
 %{_datadir}/mime/packages/calibre-mimetypes.xml
-#%{_datadir}/bash-completion/completions/calibre
+%{_datadir}/bash-completion/completions/calibre
 %dir %{_libdir}/calibre
 %dir %{_libdir}/calibre/calibre
 %dir %{_libdir}/calibre/backports
@@ -188,6 +185,9 @@ CFLAGS="%{optflags}" %{__python27} setup.py resources
 %{python27_sitelib}/init_calibre.py
 
 %changelog
+* Wed Oct 09 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.1.0-2mamba
+- require pyqtwebengine
+
 * Tue Oct 08 2019 Automatic Build System <autodist@mambasoft.it> 4.1.0-1mamba
 - automatic version update by autodist