diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7a6a497..aa316623 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## Version History
 
+#### 20130208
+* Added a definition for 2.0.0-rc2
+
+#### 20130206
+* Added a definition for 1.9.3-p385
+
 #### 20130129
 * Changed `rbenv install` to attempt to install the local app-specific
   version when it is invoked without any arguments.
diff --git a/README.md b/README.md
index ebda237e..f94d16f0 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ Or, if you would like to install the latest development release:
 To install a Ruby version for use with rbenv, run `rbenv install` with
 the exact name of the version you want to install. For example,
 
-    rbenv install 1.9.3-p374
+    rbenv install 1.9.3-p385
 
 Ruby versions will be installed into a directory of the same name
 under `~/.rbenv/versions`.
@@ -84,7 +84,7 @@ Run the `ruby-build` command with the exact name of the version you
 want to install and the full path where you want to install it. For
 example,
 
-    ruby-build 1.9.3-p374 ~/local/ruby-1.9.3-p374
+    ruby-build 1.9.3-p385 ~/local/ruby-1.9.3-p385
 
 To see a list of all available Ruby versions, run `ruby-build
 --definitions`.
diff --git a/bin/ruby-build b/bin/ruby-build
index 7217b617..d73ed83d 100755
--- a/bin/ruby-build
+++ b/bin/ruby-build
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-RUBY_BUILD_VERSION="20130129"
+RUBY_BUILD_VERSION="20130206"
 
 set -E
 exec 3<&2 # preserve original stderr at fd 3
diff --git a/share/ruby-build/1.9.3-p385 b/share/ruby-build/1.9.3-p385
new file mode 100644
index 00000000..412c5e52
--- /dev/null
+++ b/share/ruby-build/1.9.3-p385
@@ -0,0 +1,2 @@
+install_package "yaml-0.1.4" "http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz#36c852831d02cf90508c29852361d01b"
+install_package "ruby-1.9.3-p385" "http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p385.tar.gz#3e0d7f8512400c1a6732327728a56f1d"
diff --git a/share/ruby-build/2.0.0-rc2 b/share/ruby-build/2.0.0-rc2
new file mode 100644
index 00000000..4716fb8b
--- /dev/null
+++ b/share/ruby-build/2.0.0-rc2
@@ -0,0 +1,5 @@
+if has_broken_mac_openssl; then
+  install_package "openssl-1.0.1c" "https://www.openssl.org/source/openssl-1.0.1c.tar.gz#ae412727c8c15b67880aef7bd2999b2e" mac_openssl
+fi
+
+install_package "ruby-2.0.0-rc2" "http://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-rc2.tar.gz#9d5e6f26db7c8c3ddefc81fdb19bd41a" standard verify_openssl