diff --git a/ruby/ChangeLog b/ruby/ChangeLog
index e69de29b..d3a72829 100644
--- a/ruby/ChangeLog
+++ b/ruby/ChangeLog
@@ -0,0 +1,6 @@
+
+2010-06-29 version 0.4.3:
+
+  * Adds MessagePack::VERSION constant
+  * Fixes SEGV problem caused by GC bug at MessagePack_Unpacker_mark
+
diff --git a/ruby/makegem.sh b/ruby/makegem.sh
index d21f06a1..bf30cd47 100755
--- a/ruby/makegem.sh
+++ b/ruby/makegem.sh
@@ -8,6 +8,7 @@ cp pack.h       ext/
 cp rbinit.c     ext/
 cp unpack.c     ext/
 cp unpack.h     ext/
+cp version.rb   ext/
 cp ../msgpack/pack_define.h     msgpack/
 cp ../msgpack/pack_template.h   msgpack/
 cp ../msgpack/unpack_define.h   msgpack/