diff --git a/golang-packaging-2.tar.gz b/golang-packaging-2.tar.gz
deleted file mode 100644
index afbf984..0000000
--- a/golang-packaging-2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1b37de3970d7153fefe21dd0f79db55cbd4f8279e811b505ee4be6a36b160e38
-size 14086
diff --git a/golang-packaging-4.tar.gz b/golang-packaging-4.tar.gz
new file mode 100644
index 0000000..499442e
--- /dev/null
+++ b/golang-packaging-4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:255d7a6088ec3459cd26930abbe1aae228470c8b40f6d3979ce02f3acbbc1896
+size 14958
diff --git a/golang-packaging.changes b/golang-packaging.changes
index ec628e2..0ac848a 100644
--- a/golang-packaging.changes
+++ b/golang-packaging.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Sun Jul 12 10:32:17 UTC 2015 - i@marguerite.su
+
+- update version 4
+  * fix encoding error in golang-strip-builddep
+  * add macros.go-extra, extra golang macros for packaging
+
+-------------------------------------------------------------------
+Sat Jul 11 08:48:50 UTC 2015 - i@marguerite.su
+
+- update version 3
+  * skip *example*.go/*test*.go for Requires finding
+  * support alias format (import xx "xxx") for importpath 
+  * add golang-strip-builddep, a tool to strip unneeded importpath
+    from source codes
+
 -------------------------------------------------------------------
 Fri Jul 10 16:43:10 UTC 2015 - i@marguerite.su
 
diff --git a/golang-packaging.spec b/golang-packaging.spec
index cdcc8ae..1133e74 100644
--- a/golang-packaging.spec
+++ b/golang-packaging.spec
@@ -17,7 +17,7 @@
 
 
 Name:           golang-packaging
-Version:        2
+Version:        4
 Release:        0
 Summary:        A toolchain to help packaging golang
 License:        GPL-3.0
@@ -38,16 +38,21 @@ A toolchain to help packaging golang, written in ruby.
 %build
 
 %install
+mkdir -p %{buildroot}%{_sysconfdir}/rpm/
 mkdir -p %{buildroot}%{_rpmconfigdir}/fileattrs
 install -m0644 golang.attr %{buildroot}%{_rpmconfigdir}/fileattrs/
 install -m0755 golang.prov %{buildroot}%{_rpmconfigdir}/
 install -m0755 golang.req %{buildroot}%{_rpmconfigdir}/
+install -m0755 golang-strip-builddep %{buildroot}%{_rpmconfigdir}/
+install -m0644 macros.go-extra %{buildroot}%{_sysconfdir}/rpm/
 
 %files
 %defattr(-,root,root)
-%doc COPYING README.md TODO
+%doc COPYING README.md TODO ChangeLog
+%config %{_sysconfdir}/rpm/macros.go-extra
 %{_rpmconfigdir}/fileattrs/golang.attr
 %{_rpmconfigdir}/golang.prov
 %{_rpmconfigdir}/golang.req
+%{_rpmconfigdir}/golang-strip-builddep
 
 %changelog