diff --git a/.cvsignore b/.cvsignore
index 1498d16..d9ab664 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -18,3 +18,5 @@ firefox-langpacks-3.6.1-20091125.tar.bz2
 firefox-langpacks-3.6.1-20091127.tar.bz2
 firefox-3.6b5.source.tar.bz2
 firefox-langpacks-3.6.1-20091221.tar.bz2
+firefox-3.6rc1.source.tar.bz2
+firefox-langpacks-3.6.1-20100113.tar.bz2
diff --git a/firefox.spec b/firefox.spec
index f7ee63e..3457d0a 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -5,7 +5,7 @@
 %define mozappdir  	      %{_libdir}/%{name}-%{internal_version}
 %define tarballdir 	      mozilla-1.9.2
 
-%define xulrunner_version 1.9.2.1-0.8.b5
+%define xulrunner_version 1.9.2.1-0.9.rc1
 %define internal_version  3.6
 
 %define official_branding 0
@@ -14,20 +14,20 @@
 %if ! %{official_branding}
 %define cvsdate 20080327
 %define nightly .cvs%{cvsdate}
-%define prever  b5
+%define prever  rc1
 %endif
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        3.6.1
-Release:        0.9.%{?prever}%{?dist}
+Release:        0.10.%{?prever}%{?dist}
 URL:            http://www.mozilla.org/projects/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
 # From ftp://ftp.mozilla.org/pub/firefox/releases/%{version}%{?pretag}/source
 Source0:        firefox-%{internal_version}%{?prever}.source.tar.bz2
 %if %{build_langpacks}
-Source2:        firefox-langpacks-%{version}-20091221.tar.bz2
+Source2:        firefox-langpacks-%{version}-20100113.tar.bz2
 %endif
 Source10:       firefox-mozconfig
 Source11:       firefox-mozconfig-branded
@@ -346,6 +346,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed Jan 13 2010 Martin Stransky <stransky@redhat.com> - 3.6.1-0.10.rc1
+- Update to 3.6.1 RC1
+
 * Thu Jan 7 2010 Martin Stransky <stransky@redhat.com> - 3.6.1-0.9.b4
 - firefox.sh fixes (error messages, #553184)
 
diff --git a/sources b/sources
index ab1029f..c351de6 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-381a897e16579a47250dee9342353f37  firefox-3.6b5.source.tar.bz2
-12600472e2e558e725643998a46629fa  firefox-langpacks-3.6.1-20091221.tar.bz2
+f4b885c33ccacba27df11e745cf350d3  firefox-3.6rc1.source.tar.bz2
+53d55676a5e8018149114ad761922d1d  firefox-langpacks-3.6.1-20100113.tar.bz2