diff --git a/gnuradio.spec b/gnuradio.spec
index c059323..0c70b2a 100644
--- a/gnuradio.spec
+++ b/gnuradio.spec
@@ -24,7 +24,7 @@
 
 Name:		gnuradio
 Version:	3.7.13.5
-Release:	1%{?alphatag:.%{alphatag}}%{?dist}
+Release:	2%{?alphatag:.%{alphatag}}%{?dist}
 Summary:	Software defined radio framework
 
 License:	GPLv3
@@ -55,14 +55,23 @@ BuildRequires:	uhd-devel, python2, cppzmq-devel, zeromq-devel, thrift
 BuildRequires:	codec2-devel, findutils
 BuildRequires:	comedilib-devel, jack-audio-connection-kit-devel
 #BuildRequires:	python3-thrift
-%if ! 0%{?rhel:1}
+
+# qwt was dropped in fedora 31+, migration to PyQtGraph should be finished in
+# gnuradio-3.8
+# https://github.com/gnuradio/gnuradio/issues/1634
+# https://github.com/gnuradio/gnuradio/pull/2399
+# https://github.com/gnuradio/gnuradio/pull/2187
+%if ! 0%{?rhel:1} && 0%{?fedora} < 31
 BuildRequires:	PyQwt-devel, qwt-devel, qwtplot3d-qt4-devel
 %endif
 Requires:	numpy, python2-wxpython, scipy, portaudio, python2-lxml
 Requires:	pygtk2, python2-cheetah, PyQt4, zeromq, log4cpp-devel
 #Requires:	python3-thrift
 %if ! 0%{?rhel:1}
-Requires:	PyQwt, python2-pyopengl
+%if 0%{?fedora} < 31
+Requires:	PyQwt
+%endif
+Requires:	python2-pyopengl
 %endif
 Obsoletes:	usrp < 3.3.0-1
 Obsoletes:	grc < 0.80-1
@@ -187,6 +196,9 @@ popd
 %{_datadir}/gnuradio/examples
 
 %changelog
+* Mon May  6 2019 Jaroslav Škarvada <jskarvad@redhat.com> - 3.7.13.5-2
+- Dropped PyQwt in f31+
+
 * Wed Apr 24 2019 Jaroslav Škarvada <jskarvad@redhat.com> - 3.7.13.5-1
 - New version
 - Updated source URL to point to github