diff --git a/ruby/AUTHORS b/ruby/AUTHORS
new file mode 100644
index 00000000..ababacb0
--- /dev/null
+++ b/ruby/AUTHORS
@@ -0,0 +1 @@
+FURUHASHI Sadayuki <frsyuki _at_ users.sourceforge.jp>
diff --git a/ruby/ChangeLog b/ruby/ChangeLog
new file mode 100644
index 00000000..e69de29b
diff --git a/ruby/makegem.sh b/ruby/makegem.sh
index 8737d299..5ea66f19 100755
--- a/ruby/makegem.sh
+++ b/ruby/makegem.sh
@@ -8,8 +8,6 @@ cp pack.h       ext/
 cp rbinit.c     ext/
 cp unpack.c     ext/
 cp unpack.h     ext/
-cp ../AUTHORS   ./
-cp ../ChangeLog ./
 cp ../msgpack/pack_define.h     msgpack/
 cp ../msgpack/pack_template.h   msgpack/
 cp ../msgpack/unpack_define.h   msgpack/
@@ -20,7 +18,7 @@ cat msgpack_test.rb | sed "s/require ['\"]msgpack['\"]/require File.dirname(__FI
 gem build msgpack.gemspec
 
 if [ $? -eq 0 ]; then
-	rm -rf ext msgpack AUTHORS ChangeLog test/msgpack_test.rb
+	rm -rf ext msgpack test/msgpack_test.rb
 fi
 
 # gem install gem-compile                     # on msys
diff --git a/ruby/msgpack.gemspec b/ruby/msgpack.gemspec
index 3a261f2e..b8e88d5d 100644
--- a/ruby/msgpack.gemspec
+++ b/ruby/msgpack.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.platform = Gem::Platform::RUBY
   s.name = "msgpack"
-  s.version = "0.3.7"
+  s.version = "0.3.8"
   s.summary = "MessagePack, a binary-based efficient data interchange format."
   s.author = "FURUHASHI Sadayuki"
   s.email = "frsyuki@users.sourceforge.jp"