diff --git a/qscintilla.spec b/qscintilla.spec
index 0e99681..0badc97 100644
--- a/qscintilla.spec
+++ b/qscintilla.spec
@@ -1,7 +1,7 @@
 %define        pythonsip_ver  %(sip -V)
 Name:          qscintilla
 Version:       2.11.2
-Release:       3mamba
+Release:       4mamba
 Summary:       A port to Qt of Neil Hodgson's Scintilla C++ editor control
 Group:         Development/Tools
 Vendor:        openmamba
@@ -26,8 +26,8 @@ BuildRequires: libstdc++6-devel
 #BuildRequires: qt-designer
 # following build requirements are for Python bindings
 # WARNING: do not parametrize python-sip-devel version or it will be useless for ports
-BuildRequires: python-sip-devel >= 4.19.18
-BuildRequires: python-sip-py3-devel >= 4.19.18
+BuildRequires: python-sip-devel >= 4.19.19
+BuildRequires: python-sip-py3-devel >= 4.19.19
 BuildRequires: PyQt4-devel
 BuildRequires: PyQt5-devel
 #BuildRequires: chrpath
@@ -89,6 +89,7 @@ This package contains QScintilla designer plugin.
 Summary:       QScintilla PyQt4 bindings
 Group:         Development/Libraries
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      python-sip%{?with_pyver:-py%{pyver}} = %{pythonsip_ver}
 %if "%?with_pyver" == ""
 Provides:      python-QScintilla2
 Obsoletes:     python-QScintilla2
@@ -103,7 +104,6 @@ Summary:       Development files for QScintilla PyQt4 bindings
 Group:         Development/Libraries
 Requires:      python-%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      python-sip = %{pythonsip_ver}
-Requires:      PyQt5
 Provides:      python-QScintilla2-devel
 Obsoletes:     python-QScintilla2-devel
 
@@ -206,6 +206,9 @@ cd ..
 %{_datadir}/sip/PyQt5/Qsci/*.sip
 
 %changelog
+* Thu Oct 31 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 2.11.2-4mamba
+- rebuilt with python-sip 4.19.19
+
 * Mon Aug 12 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 2.11.2-3mamba
 - move qt5 designer plugin from -devel to its own package