diff --git a/sources b/sources
index a239ee4..767763e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (srt-1.5.3.tar.gz) = 5b576d6fd325515e05074e4568e3b65d1ae265e3e971db6e6242e5138243fc1594df1e3a7d90962385dac38abc34c4c4b0a567439050f8c0ff818b3b3d497efc
+SHA512 (srt-1.5.4-rc.0.tar.gz) = 30863ec5df0865a6b4f11b586162d7e4e7fbd5cb390f0e6f2c236fd501ac61056141f5f89f063239d4af5a5581e23ca3d45e2e20f5f27e7e91479e10e4843ab7
diff --git a/srt.spec b/srt.spec
index 8b9cd20..9f76fce 100644
--- a/srt.spec
+++ b/srt.spec
@@ -1,8 +1,8 @@
-%global rc %{nil}
+%global rc -rc.0
 
 Name:           srt
-Version:        1.5.3
-Release:        3%{?dist}
+Version:        1.5.4
+Release:        0.rc0%{?dist}
 Summary:        Secure Reliable Transport protocol tools
 
 License:        MPL-2.0
@@ -60,6 +60,8 @@ rm -f %{buildroot}/%{_libdir}/pkgconfig/haisrt.pc
 
 
 %check
+# tests do not work in parallel as of 1.5.4 rc0
+%define _smp_build_ncpus 1
 # - TestIPv6 are known broken due to v4_v6 mapping differnces between platforms
 #   https://github.com/Haivision/srt/issues/1972#
 %ctest -E TestIPv6
@@ -88,6 +90,9 @@ rm -f %{buildroot}/%{_libdir}/pkgconfig/haisrt.pc
 
 
 %changelog
+* Mon Aug 26 2024 Yanko Kaneti <yaneti@declera.com> - 1.5.4-0.rc0
+- Update to 1.5.4-rc0
+
 * Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild