diff --git a/Vagrantfile b/Vagrantfile
index 6c8b6e9..634ef55 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -7,7 +7,7 @@ Vagrant.require_version '>= 1.8.6'
 
 Vagrant.configure(2) do |config|
 
-  vccw_version = '3.0.11';
+  vccw_version = '3.1.0';
 
   _conf = YAML.load(
     File.open(
diff --git a/provision/playbooks/wordpress.yml b/provision/playbooks/wordpress.yml
index 528c081..5e1e8b1 100644
--- a/provision/playbooks/wordpress.yml
+++ b/provision/playbooks/wordpress.yml
@@ -43,7 +43,6 @@
     command: |
       wp core download
       --path={{ path }}
-      --locale={{ vccw.lang }}
       --version={{ vccw.version }}
       --force
 
@@ -99,6 +98,12 @@
   - name: Move `.gitignore`
     command: "mv /tmp/.gitignore {{ path }}/.gitignore"
 
+  - name: Run `wp core language install`
+    command: |
+      wp core language install {{ vccw.lang }}
+      --path={{ path }}
+      --activate
+
   # Install Plugins
   - name: Run `wp plugin install`
     command: |
@@ -107,6 +112,14 @@
       --path={{ path }}
     with_items: "{{ vccw.plugins | default([]) }}"
 
+  # Install wp-multibyte-patch
+  - name: Run `wp plugin install wp-multibyte-patch`
+    command: |
+      wp plugin install wp-multibyte-patch
+      --activate
+      --path={{ path }}
+    when: vccw.lang == 'ja'
+
   # Check exsist Theme
   - name: Run `wp theme is-installed`
     command: |
@@ -156,6 +169,27 @@
       --path={{ path }}
     with_dict: "{{ vccw.options }}"
 
+  # Localization
+  - name: Get the timezone
+    command: |
+      wp eval "echo _x( '0', 'default GMT offset or timezone string' );"
+      --path={{ path }}
+    register: timezone
+  - name: Update timezone
+    command: |
+      wp option update timezone_string '{{ timezone.stdout }}'
+      --path={{ path }}
+
+  - name: Get the date format
+    command: |
+      wp eval "echo __( 'M jS Y' );"
+      --path={{ path }}
+    register: date_format
+  - name: Update date format
+    command: |
+      wp option update date_format '{{ date_format.stdout }}'
+      --path={{ path }}
+
   # Setting Permalink
   - name: Run `wp rewrite structure`
     command: |