diff --git a/docs/.ruby-version b/docs/.ruby-version
new file mode 100644
index 0000000..437459c
--- /dev/null
+++ b/docs/.ruby-version
@@ -0,0 +1 @@
+2.5.0
diff --git a/docs/Gemfile b/docs/Gemfile
index 3206600..4ccf873 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -1,5 +1,3 @@
-ruby '2.3.1'
-
 source 'https://rubygems.org' do
   gem 'github-pages', group: :jekyll_plugins
 end
diff --git a/docs/_config.yml b/docs/_config.yml
index 2bf2e7f..5a68e26 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -3,19 +3,19 @@ title: Marp
 subTitle: Markdown Presentation Writer
 favicon: https://raw.githubusercontent.com/yhatt/marp/master/images/marp.png
 faviconType: image/png
-repository: https://github.com/yhatt/marp/
+repository_url: https://github.com/yhatt/marp/
 
 build:
-  version: 0.0.11
+  version: 0.0.12
   url:
     windows:
-      x86: https://github.com/yhatt/marp/releases/download/v0.0.11/0.0.11-Marp-win32-ia32.zip
-      x64: https://github.com/yhatt/marp/releases/download/v0.0.11/0.0.11-Marp-win32-x64.zip
+      x86: https://github.com/yhatt/marp/releases/download/v0.0.12/0.0.12-Marp-win32-ia32.zip
+      x64: https://github.com/yhatt/marp/releases/download/v0.0.12/0.0.12-Marp-win32-x64.zip
     macosx:
-      x64: https://github.com/yhatt/marp/releases/download/v0.0.11/0.0.11-Marp-darwin-x64.dmg
+      x64: https://github.com/yhatt/marp/releases/download/v0.0.12/0.0.12-Marp-darwin-x64.dmg
     linux:
-      x86: https://github.com/yhatt/marp/releases/download/v0.0.11/0.0.11-Marp-linux-ia32.tar.gz
-      x64: https://github.com/yhatt/marp/releases/download/v0.0.11/0.0.11-Marp-linux-x64.tar.gz
+      x86: https://github.com/yhatt/marp/releases/download/v0.0.12/0.0.12-Marp-linux-ia32.tar.gz
+      x64: https://github.com/yhatt/marp/releases/download/v0.0.12/0.0.12-Marp-linux-x64.tar.gz
 
 exclude:
   - Gemfile
diff --git a/docs/_includes/download_btn.html b/docs/_includes/download_btn.html
index f25b395..b864eb4 100644
--- a/docs/_includes/download_btn.html
+++ b/docs/_includes/download_btn.html
@@ -1,5 +1,5 @@
 <div class="btn-group download-button">
-  <a class="btn {{ include.class }}" target="_blank" href="{{ site.repository }}releases">
+  <a class="btn {{ include.class }}" target="_blank" href="{{ site.repository_url }}releases">
     Download v{{ site.build.version }}
     &nbsp;<span class="glyphicon glyphicon-download-alt"></span>
   </a>
@@ -40,7 +40,7 @@
     </li>
     <li role="separator" class="divider"></li>
     <li>
-      <a href="{{ site.repository }}releases" target="_blank">
+      <a href="{{ site.repository_url }}releases" target="_blank">
         <i class="fa fa-github" aria-hidden="true"></i>&ensp;<small>Releases notes...</small>
       </a>
     </li>
diff --git a/docs/_includes/header.html b/docs/_includes/header.html
index bbc1ecc..40e14ff 100644
--- a/docs/_includes/header.html
+++ b/docs/_includes/header.html
@@ -21,7 +21,7 @@
     <div id="navbar" class="navbar-collapse collapse">
       <ul class="nav navbar-nav navbar-right">
         <li>
-          <a target="_blank" href="{{ site.repository }}">
+          <a target="_blank" href="{{ site.repository_url }}">
             <i class="fa fa-github" aria-hidden="true"></i> Repository
           </a>
         </li>
diff --git a/docs/_posts/2015-01-01-vulnerability.md b/docs/_posts/2015-01-01-vulnerability.md
deleted file mode 100644
index cec964e..0000000
--- a/docs/_posts/2015-01-01-vulnerability.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-category: top
----
-
-<div class="col-xs-12" markdown="1">
-
-## <span class="text-danger">Important:</span> Upgrade to v0.0.11
-
-*Marp v0.0.10 or earlier have a vulnerability*: Remote script can read any local resource without intent of user. We have patched this problem on v0.0.11.
-
-**We recommend to upgrade to Marp v0.0.11 strongly.** Please download the latest version from above and overwrite your Marp!!
-
-[<i class="fa fa-angle-double-right" aria-hidden="true"></i> v0.0.11 release note](https://github.com/yhatt/marp/releases/tag/v0.0.11){:class="btn btn-sm btn-default" target="_blank"}
-[<i class="fa fa-github" aria-hidden="true"></i> More details at GitHub issue](https://github.com/yhatt/marp/issues/187){:class="btn btn-sm btn-default" target="_blank"}
-[<i class="fa fa-external-link" aria-hidden="true"></i> JVN#21174546 (English)](https://jvn.jp/en/jp/JVN21174546/){:class="btn btn-sm btn-default" target="_blank"}
-[<i class="fa fa-external-link" aria-hidden="true"></i> JVN#21174546 (Japanese)](https://jvn.jp/jp/JVN21174546/){:class="btn btn-sm btn-default" target="_blank"}
-
-</div>
\ No newline at end of file