diff --git a/linphone.spec b/linphone.spec
index 35f280e..bcf3014 100644
--- a/linphone.spec
+++ b/linphone.spec
@@ -1,6 +1,6 @@
 Name:           linphone
 Version:        3.6.1
-Release:        34%{?dist}
+Release:        35%{?dist}
 Summary:        Phone anywhere in the whole world by using the Internet
 
 License:        GPLv2+
@@ -12,6 +12,8 @@ Patch1:         linphone-3.6.1-arm.patch
 Patch2:		linphone-3.6.1-theora-fix.patch
 Patch3:		linphone-3.6.1-upnp-fix.patch
 
+Obsoletes: ortp <= 1:0.24.2-2
+
 # for video support
 BuildRequires:  gcc-c++
 BuildRequires:  glew-devel
@@ -221,6 +223,9 @@ mv $RPM_BUILD_ROOT%{_datadir}/doc/mediastreamer*/html doc/mediastreamer
 %{_libdir}/pkgconfig/mediastreamer.pc
 
 %changelog
+* Mon Oct  7 2019 Alexey Kurov <nucleo@fedoraproject.org> - 3.6.1-35
+- Obsoletes: ortp <= 1:0.24.2-2
+
 * Mon Sep 30 2019 Alexey Kurov <nucleo@fedoraproject.org> - 3.6.1-34
 - build bundled oRTP
 - disabled zrtp support