diff --git a/.gitignore b/.gitignore
index 7bc546a..5d76d78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /uglify-js-2.2.3.tgz
 /uglify-js-2.2.4.tgz
 /uglify-js-2.2.5.tgz
+/uglify-js-2.4.13.tgz
diff --git a/sources b/sources
index 04072e3..37edd86 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-67f3a14cec7b24e62f79689a16408a97  uglify-js-2.2.5.tgz
+e9cce2a24532872a1f6816145d65c414  uglify-js-2.4.13.tgz
diff --git a/uglify-js.spec b/uglify-js.spec
index 7ccb2cb..52b7705 100644
--- a/uglify-js.spec
+++ b/uglify-js.spec
@@ -4,8 +4,8 @@
 %global enable_tests 1
 
 Name:           uglify-js
-Version:        2.2.5
-Release:        2%{?dist}
+Version:        2.4.13
+Release:        1%{?dist}
 Summary:        JavaScript parser, mangler/compressor and beautifier toolkit
 BuildArch:      noarch
 
@@ -15,15 +15,21 @@ License:        BSD
 URL:            https://github.com/mishoo/UglifyJS2
 Source0:        http://registry.npmjs.org/uglify-js/-/uglify-js-%{version}.tgz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+BuildArch:      noarch
+ExclusiveArch:  %{nodejs_arches} noarch
+
+Provides:       nodejs-uglify-js = %{version}-%{release}
 
-BuildRequires:  nodejs-devel
+BuildRequires:  nodejs-packaging
+BuildRequires:  web-assets-devel
 
 %if 0%{?enable_tests}
+BuildRequires:  npm(async)
 BuildRequires:  npm(optimist)
 BuildRequires:  npm(source-map)
 %endif
 
-Requires: %{name}-common == %{version}-%{release}
+Requires: js-uglify = %{version}-%{release}
 
 %description
 JavaScript parser, mangler/compressor and beautifier toolkit.
@@ -31,11 +37,15 @@ JavaScript parser, mangler/compressor and beautifier toolkit.
 This package ships the uglifyjs command-line tool and a library suitable for
 use within Node.js.
 
-%package common
+%package -n js-uglify
 Summary: JavaScript parser, mangler/compressor and beautifier toolkit - core library
 Group: System Environment/Libraries
 
-%description common
+Obsoletes: uglify-js-common < 2.2.5-4
+Provides: uglify-js-common = %{version}-%{release}
+Requires: web-assets-filesystem
+
+%description -n js-uglify
 JavaScript parser, mangler/compressor and beautifier toolkit.
 
 This package ships a JavaScript library suitable for use by any JavaScript
@@ -52,40 +62,71 @@ runtime.
 %install
 rm -rf %buildroot
 
-mkdir -p %{buildroot}%{_datadir}/%{name}
-cp -pr lib/* %{buildroot}%{_datadir}/%{name}/
+mkdir -p %{buildroot}%{_jsdir}/%{name}-2
+cp -pr lib/* %{buildroot}%{_jsdir}/%{name}-2
+ln -sf %{name}-2 %{buildroot}%{_jsdir}/%{name}
 
-mkdir -p %{buildroot}%{nodejs_sitelib}/%{name}
-cp -pr bin tools package.json %{buildroot}%{nodejs_sitelib}/%{name}
-ln -sf %{_datadir}/%{name} %{buildroot}%{nodejs_sitelib}/%{name}/lib
+#compat symlink
+mkdir -p %{buildroot}%{_datadir}
+ln -sf javascript/%{name} %{buildroot}%{_datadir}/%{name}
+
+mkdir -p %{buildroot}%{nodejs_sitelib}/uglify-js@2
+cp -pr bin tools package.json %{buildroot}%{nodejs_sitelib}/uglify-js@2
+ln -sf %{_jsdir}/%{name} %{buildroot}%{nodejs_sitelib}/uglify-js@2/lib
 
 mkdir -p %{buildroot}%{_bindir}
-ln -sf ../lib/node_modules/uglify-js/bin/uglifyjs %{buildroot}%{_bindir}/uglifyjs
+ln -sf ../lib/node_modules/uglify-js@2/bin/uglifyjs %{buildroot}%{_bindir}/uglifyjs
 
 %nodejs_symlink_deps
 
+ln -sf uglify-js@2 %{buildroot}%{nodejs_sitelib}/uglify-js
+
 %if 0%{?enable_tests}
 %check
-mkdir -p node_modules
-ln -sf %{nodejs_sitelib}/source-map node_modules/source-map
-ln -sf %{nodejs_sitelib}/optimist node_modules/optimist
+%nodejs_symlink_deps --check
 %__nodejs test/run-tests.js
 %endif
 
 %clean
 rm -rf %buildroot
 
+%pretrans -p <lua>
+st = posix.stat("%{nodejs_sitelib}/uglify-js")
+if st and st.type == "directory" then
+  os.execute("rm -rf %{nodejs_sitelib}/uglify-js")
+end
+
+st = posix.stat("%{_datadir}/%{name}")
+if st and st.type == "directory" then
+  os.execute("rm -rf %{_datadir}/%{name}")
+end
+
 %files
 %defattr(-,root,root,-)
-%{nodejs_sitelib}/%{name}
+%{nodejs_sitelib}/uglify-js
+%{nodejs_sitelib}/uglify-js@2
 %{_bindir}/uglifyjs
 
-%files common
+%files -n js-uglify
 %defattr(-,root,root,-)
+%{_jsdir}/%{name}-2
+%{_jsdir}/%{name}
 %{_datadir}/%{name}
-%doc README.md
+%doc LICENSE README.md
+
 
 %changelog
+* Thu Mar 13 2014 Jamie Nguyen <jamielinux@fedoraproject.org> - 2.4.13-1
+- update to upstream release 2.4.13
+
+* Mon Jan 20 2014 T.C. Hollingsworth <tchollingsworth@gmail.com> - 2.2.5-4
+- port to new JS guidelines
+- provide the nodejs- form
+
+* Sun Jan 19 2014 Tom Hughes <tom@compton.nu> - 2.2.5-3
+- use new multi-version packaging rules
+- update to latest nodejs packaging standards
+
 * Sun Aug 04 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.2.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild