diff --git a/libs/webadmin/static/js/events.js b/libs/webadmin/static/js/events.js
index 21dddf2..1a95ec0 100644
--- a/libs/webadmin/static/js/events.js
+++ b/libs/webadmin/static/js/events.js
@@ -16,12 +16,12 @@ var events = [
 ];
 
 function format2html(title, context) {
-    return "<div class=\"media pt-3\">" +
-        "<p class=\"media-body pb-3 mb-0 small lh-125 border-bottom border-gray\">" +
-        "<strong class=\"d-block text-gray-dark\">" + title + "</strong>" +
-        context +
-        "</p>" +
-        "</div>";
+    return `<div class=\"media pt-3\">
+                <p class=\"media-body pb-3 mb-0 small lh-125 border-bottom border-gray\">
+                    <strong class=\"d-block text-gray-dark\">${title}</strong>
+                    ${context}
+                </p>
+            </div>`;
 }
 
 function log_query(data) {
diff --git a/libs/webadmin/static/js/groups.js b/libs/webadmin/static/js/groups.js
index 09b105b..95c3ba8 100644
--- a/libs/webadmin/static/js/groups.js
+++ b/libs/webadmin/static/js/groups.js
@@ -10,13 +10,12 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
 function format2html(title, context) {
-    return "<div class=\"media pt-3\">" +
-        "<img class=\"mini-logo mr-2 rounded\" src=\"" + object_server + "/os/g/" + title + "\">" +
-        "<p class=\"media-body pb-3 mb-0 small lh-125 border-bottom border-gray\">" +
-        "<strong class=\"d-block text-gray-dark\">" + title + "</strong>" +
-        context +
-        "</p>" +
-        "</div>";
+    return `<div class=\"media pt-3\">
+                <img class=\"mini-logo mr-2 rounded\" src=\"${object_server}/os/g/${title}\">
+                <p class=\"media-body pb-3 mb-0 small lh-125 border-bottom border-gray\">
+                    <strong class=\"d-block text-gray-dark\">${title}</strong>${context}
+                </p>
+            </div>`;
 }
 
 $(function () {
diff --git a/libs/webadmin/static/js/header.js b/libs/webadmin/static/js/header.js
index 62caaff..f485d1d 100644
--- a/libs/webadmin/static/js/header.js
+++ b/libs/webadmin/static/js/header.js
@@ -30,19 +30,19 @@ function header2html(yuuki_name) {
             nav_list += nav_items(false, p_key, page_list[p_key])
         }
     });
-    return "<nav class=\"navbar navbar-expand-md navbar-dark fixed-top bg-dark\">" +
-        "<a class=\"navbar-brand\" href=\"/\">" + yuuki_name + " - WebAdmin</a>" +
-        "<button class=\"navbar-toggler\" type=\"button\" data-toggle=\"collapse\"          data-target=\"#navbarCollapse\"aria-controls=\"navbarCollapse\" aria-expanded=\"false\" aria-label=\"Toggle         navigation\">" +
-        "<span class=\"navbar-toggler-icon\"></span>" +
-        "</button>" +
-        "<div class=\"collapse navbar-collapse\" id=\"navbarCollapse\">" +
-        "<ul class=\"navbar-nav mr-auto\"></ul>" +
-        "<a href=\"/logout\"><button class=\"btn btn-outline-success my-2 my-sm-0\">Logout</button></a>" +
-        "</div>" +
-        "</nav>" +
-        "<div class=\"nav-scroller bg-white shadow-sm\">" +
-        "<nav class=\"nav nav-underline\">" + nav_list + "</nav>" +
-        "</div>";
+    return `<nav class=\"navbar navbar-expand-md navbar-dark fixed-top bg-dark\">
+                <a class=\"navbar-brand\" href=\"/\"> ${yuuki_name} - WebAdmin</a>
+                <button class=\"navbar-toggler\" type=\"button\" data-toggle=\"collapse\" data-target=\"#navbarCollapse\"aria-controls=\"navbarCollapse\" aria-expanded=\"false\" aria-label=\"Toggle navigation\">
+                    <span class=\"navbar-toggler-icon\"></span>
+                </button>
+                <div class=\"collapse navbar-collapse\" id=\"navbarCollapse\">
+                    <ul class=\"navbar-nav mr-auto\"></ul>
+                    <a href=\"/logout\"><button class=\"btn btn-outline-success my-2 my-sm-0\">Logout</button></a>
+                </div>
+            </nav>
+            <div class=\"nav-scroller bg-white shadow-sm\">
+                <nav class=\"nav nav-underline\">${nav_list}</nav>
+            </div>`;
 }
 
 $(function () {
diff --git a/libs/webadmin/static/js/helpers.js b/libs/webadmin/static/js/helpers.js
index c190088..dd3309c 100644
--- a/libs/webadmin/static/js/helpers.js
+++ b/libs/webadmin/static/js/helpers.js
@@ -10,16 +10,16 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
 function format2html(title, context) {
-    return "<div class=\"media pt-3\">" +
-        "<img class=\"mini-logo mr-2 rounded\" src=\"" + object_server + "/os/p/" + title + "\">" +
-        "<p class=\"media-body pb-3 mb-0 small lh-125 border-bottom border-gray\">" +
-        "<strong class=\"d-block text-gray-dark\">" + title + "</strong>" +
-        context +
-        "</p>" +
-        "</div>";
+    return `<div class=\"media pt-3\">
+                <img class=\"mini-logo mr-2 rounded\" src=\"${object_server}/os/p/${title}\">
+                <p class=\"media-body pb-3 mb-0 small lh-125 border-bottom border-gray\">
+                    <strong class=\"d-block text-gray-dark\">${title}</strong>
+                    ${context}
+                </p>
+            </div>`;
 }
 
-$(function(){
+$(function () {
     $.ajax({
         url: "/api",
         type: "POST",
diff --git a/libs/webadmin/static/js/index.js b/libs/webadmin/static/js/index.js
index 9332121..b0aae5a 100644
--- a/libs/webadmin/static/js/index.js
+++ b/libs/webadmin/static/js/index.js
@@ -23,7 +23,7 @@ function init(id, data) {
             let ajax_result = response.result;
             if (ajax_result.length) {
                 $(id).text(ajax_result[ajax_result.length - 1]);
-	    } else {
+            } else {
                 $(id).text("Nothing");
             }
         }
diff --git a/libs/webadmin/static/js/settings.js b/libs/webadmin/static/js/settings.js
index ee31eee..def88d6 100644
--- a/libs/webadmin/static/js/settings.js
+++ b/libs/webadmin/static/js/settings.js
@@ -1,3 +1,11 @@
+/*
+Yuuki_Libs
+(c) 2020 Star Inc.
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+file, You can obtain one at http://mozilla.org/MPL/2.0/.
+*/
+
 function shutdown() {
     $(".container").html("<p class=\"my-3 p-3 bg-white rounded shadow-sm\">Disconnected.</p>");
     $.post("/api", {
diff --git a/requirements.txt b/requirements.txt
index 8ee35dd..54722ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,17 +1,24 @@
-beautifulsoup4==4.8.2
-gevent==1.4.0
-flask==1.1.1
-bootstrap-flask==1.2.0
-certifi==2019.11.28
+beautifulsoup4==4.9.3
+Bootstrap-Flask==1.5
+certifi==2020.6.20
 chardet==3.0.4
-gitdb2==3.0.2
-GitPython==3.0.8
-idna==2.9
-PyYAML==5.3
-requests==2.23.0
-six==1.14.0
-smmap2==2.0.5
+click==7.1.2
+Flask==1.1.2
+gevent==20.9.0
+gitdb2==4.0.2
+GitPython==3.1.9
+greenlet==0.4.17
+idna==2.10
+itsdangerous==1.1.0
+PyYAML==5.3.1
+requests==2.24.0
+six==1.15.0
+smmap2==3.0.1
+soupsieve==2.0.1
 thrift==0.13.0
-tornado==6.0.3
-urllib3==1.25.8
-yuuki-core==6.5.1
+tornado==6.0.4
+urllib3==1.25.10
+Werkzeug==1.0.1
+yuuki-core==6.5.2
+zope.event==4.5.0
+zope.interface==5.1.2