diff --git a/.gitignore b/.gitignore
index ebf2e76..44cdbf7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ x264-0.148-20160118-5c65704.tar.bz2
 /x264-0.160-20200702gitcde9a93.tar.bz2
 /x264-0.161-20200912gitd198931.tar.bz2
 /x264-0.161-20210124git544c61f.tar.bz2
+/x264-0.161-20210412git55d517b.tar.bz2
diff --git a/sources b/sources
index 92b199a..16d1c0a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (x264-0.161-20210124git544c61f.tar.bz2) = b88b927fe60a8d90b74736abfa8e6b2d6db093ff9423a40c80b04d0298f46dd5512fe714efca3547055d1cd0232ff8bddaac3f6e58d36745d2bf447b4b28d1b5
+SHA512 (x264-0.161-20210412git55d517b.tar.bz2) = 9f5ec5dfaa0334bee50433e0a83801657c67971aa76add2dd0c22225f1fbccfc81700a8659bb5b5389d1fce6f329d6fd3df33782f8ecc221a9739dbb1ed10eed
diff --git a/x264-snapshot.sh b/x264-snapshot.sh
index c247fc0..63826d1 100755
--- a/x264-snapshot.sh
+++ b/x264-snapshot.sh
@@ -35,3 +35,9 @@ echo \# globals for x264-0.$API-${date}git${tag}.tar.bz2
 echo %global api $API
 echo %global gitdate ${date}
 echo %global gitversion ${tag}
+echo
+echo rpmdev-bumpspec -c \"Update to x264-0.$API-${date}git${tag} \(stable branch\)\" x264.spec
+echo rfpkg scratch-build --srpm --arches x86_64
+echo rfpkg new-sources x264-0.$API-${date}git${tag}.tar.bz2
+echo rfpkg ci -c
+
diff --git a/x264.spec b/x264.spec
index 1f14cfa..4940306 100644
--- a/x264.spec
+++ b/x264.spec
@@ -1,7 +1,7 @@
-# globals for x264-0.161-20210124git544c61f.tar.bz2
+# globals for x264-0.161-20210412git55d517b.tar.bz2
 %global api 161
-%global gitdate 20210124
-%global gitversion 544c61f
+%global gitdate 20210412
+%global gitversion 55d517b
 
 %global snapshot %{gitdate}git%{gitversion}
 %global gver .%{gitdate}git%{gitversion}
@@ -33,7 +33,7 @@
 Summary: H264/AVC video streams encoder
 Name: x264
 Version: 0.%{api}
-Release: 5%{?gver}%{?_with_bootstrap:_bootstrap}%{?dist}
+Release: 6%{?gver}%{?_with_bootstrap:_bootstrap}%{?dist}
 License: GPLv2+
 URL: https://www.videolan.org/developers/x264.html
 Source0: %{name}-0.%{api}-%{snapshot}.tar.bz2
@@ -177,6 +177,9 @@ install -pm644 generic/{AUTHORS,COPYING} %{buildroot}%{_pkgdocdir}/
 %{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Tue Apr 13 2021 Sérgio Basto <sergio@serjux.com> - 0.161-6.20210412git55d517b
+- Update to x264-0.161-20210412git55d517b (stable branch)
+
 * Thu Feb 04 2021 RPM Fusion Release Engineering <leigh123linux@gmail.com> - 0.161-5.20210124git544c61f
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild