diff --git a/bower.json b/bower.json
index 5009bc8..e9042bf 100644
--- a/bower.json
+++ b/bower.json
@@ -16,24 +16,24 @@
   ],
   "dependencies": {
     "bootstrap": "~3.3.7",
-    "jquery": "~3.1.0",
+    "jquery": "~3.1.1",
     "font-awesome": "~4.6.3",
     "Ionicons": "ionicons#~2.0.1",
     "reveal.js": "~3.3.0",
     "jquery-mousewheel": "~3.1.13",
     "spin.js": "~2.3.2",
-    "moment": "~2.14.1",
+    "moment": "~2.15.1",
     "handlebars": "~4.0.5",
     "js-url": "~2.3.0",
-    "socket.io-client": "~1.4.8",
+    "socket.io-client": "~1.5.0",
     "viz.js": "~1.3.0",
     "js-yaml": "~3.6.1",
     "to-markdown": "~3.0.1",
     "lz-string": "~1.4.4",
-    "raphael": "~2.2.1",
+    "raphael": "~2.2.6",
     "flowchart": "~1.6.3",
     "xss": "~0.2.13",
-    "markdown-it": "^7.0.0",
+    "markdown-it": "^8.0.0",
     "markdown-it-abbr": "^1.0.4",
     "markdown-it-footnote": "^3.0.1",
     "markdown-it-deflist": "^2.0.1",
@@ -45,23 +45,23 @@
     "mermaid": "^6.0.0",
     "MathJax": "^2.6.1",
     "octicons": "~3.5.0",
-    "velocity": "^1.2.3",
-    "highlightjs": "^9.5.0",
-    "lodash": "^4.14.1",
+    "velocity": "^1.3.1",
+    "highlightjs": "^9.7.0",
+    "lodash": "^4.16.4",
     "randomcolor": "randomColor#^0.4.4",
     "file-saver": "FileSaver#^1.3.1",
     "Idle.Js": "idle.js#^1.0.0",
-    "js-cookie": "^2.1.2",
+    "js-cookie": "^2.1.3",
     "list.js": "^1.2.0",
     "store-js": "store.js#^1.3.20",
     "string": "^3.3.1",
-    "visibilityjs": "^1.2.3",
+    "visibilityjs": "^1.2.4",
     "pdfobject": "pdfobject2#*",
     "gist-embed": "*",
     "keymaster": "^1.6.3",
     "prism": "^1.5.1"
   },
   "resolutions": {
-    "jquery": "~3.1.0"
+    "jquery": "~3.1.1"
   }
 }
diff --git a/package.json b/package.json
index 345b40b..68b3e36 100644
--- a/package.json
+++ b/package.json
@@ -6,30 +6,30 @@
   "license": "MIT",
   "dependencies": {
     "async": "^2.0.1",
-    "blueimp-md5": "^2.3.0",
+    "blueimp-md5": "^2.4.0",
     "body-parser": "^1.15.2",
     "chance": "^1.0.4",
-    "cheerio": "^0.20.0",
+    "cheerio": "^0.22.0",
     "compression": "^1.6.2",
-    "connect-session-sequelize": "^3.1.0",
+    "connect-session-sequelize": "^3.2.0",
     "cookie": "0.3.1",
     "cookie-parser": "1.4.3",
     "diff-match-patch": "git+https://github.com/hackmdio/diff-match-patch.git",
-    "ejs": "^2.5.1",
+    "ejs": "^2.5.2",
     "emojify.js": "^1.1.0",
     "express": ">=4.14",
-    "express-session": "^1.14.0",
+    "express-session": "^1.14.1",
     "formidable": "^1.0.17",
-    "helmet": "^2.1.2",
+    "helmet": "^2.3.0",
     "i18n": "^0.8.3",
     "imgur": "git+https://github.com/hackmdio/node-imgur.git",
     "jsdom-nogyp": "^0.8.3",
     "lz-string": "1.4.4",
-    "markdown-it": "^7.0.0",
+    "markdown-it": "^8.0.0",
     "markdown-pdf": "^7.0.0",
-    "meta-marked": "^0.4.1",
+    "meta-marked": "^0.4.2",
     "method-override": "^2.3.6",
-    "moment": "^2.14.1",
+    "moment": "^2.15.1",
     "morgan": "^1.7.0",
     "mysql": "^2.11.1",
     "node-uuid": "^1.4.7",
@@ -41,16 +41,16 @@
     "passport-google-oauth20": "^1.0.0",
     "passport-twitter": "^1.0.4",
     "passport.socketio": "^3.6.2",
-    "pg": "^6.0.3",
+    "pg": "^6.1.0",
     "pg-hstore": "^2.3.2",
     "randomcolor": "^0.4.4",
-    "request": "^2.74.0",
+    "request": "^2.75.0",
     "reveal.js": "3.3.0",
-    "sequelize": "^3.23.6",
+    "sequelize": "^3.24.3",
     "sequelize-cli": "^2.4.0",
     "shortid": "2.2.6",
-    "socket.io": "1.4.8",
-    "sqlite3": "^3.1.4",
+    "socket.io": "1.5.0",
+    "sqlite3": "^3.1.6",
     "string": "^3.3.1",
     "tedious": "^1.14.0",
     "toobusy-js": "^0.5.1",
diff --git a/public/js/index.js b/public/js/index.js
index 6b7efa6..eb89d9f 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -2262,8 +2262,6 @@ socket.on('connect', function (data) {
     personalInfo['id'] = socket.id;
     showStatus(statusType.connected);
     socket.emit('version');
-    if (socket.id.indexOf('/') == -1)
-        socket.id = socket.nsp + '#' + socket.id;
 });
 socket.on('version', function (data) {
     if (version != data.version) {
diff --git a/public/views/foot.ejs b/public/views/foot.ejs
index 0397317..80c08f6 100644
--- a/public/views/foot.ejs
+++ b/public/views/foot.ejs
@@ -3,14 +3,14 @@
 </script>
 <% if(useCDN) { %>
 <script src="//cdnjs.cloudflare.com/ajax/libs/spin.js/2.3.2/spin.min.js" defer></script>
-<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
-<script src="//cdn.jsdelivr.net/velocity/1.2.3/velocity.min.js" defer></script>
+<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
+<script src="//cdn.jsdelivr.net/velocity/1.3.1/velocity.min.js" defer></script>
 <script src="//cdnjs.cloudflare.com/ajax/libs/jquery-mousewheel/3.1.13/jquery.mousewheel.min.js" defer></script>
 <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" defer></script>
-<script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.4.8/socket.io.min.js" defer></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.5.0/socket.io.min.js" defer></script>
 <script src="//cdnjs.cloudflare.com/ajax/libs/js-yaml/3.6.1/js-yaml.min.js" defer></script>
 <script type="text/javascript" src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" defer></script>
-<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.15.1/moment-with-locales.min.js" defer></script>
 <script src="//cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" defer></script>
 <% } else { %>
 <script src="<%- url %>/vendor/spin.js/spin.min.js" defer></script>
diff --git a/public/views/html.hbs b/public/views/html.hbs
index 7213ff9..3f25e5d 100644
--- a/public/views/html.hbs
+++ b/public/views/html.hbs
@@ -19,7 +19,7 @@
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/ionicons/2.0.1/css/ionicons.min.css">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/octicons/3.5.0/octicons.min.css">
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/highlight.js/9.5.0/styles/github-gist.min.css">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/highlight.js/9.7.0/styles/github-gist.min.css">
     <style>
         {{{css}}}
     </style>
@@ -47,7 +47,7 @@
     <div id="ui-toc-affix" class="ui-affix-toc ui-toc-dropdown unselectable hidden-print" data-spy="affix" style="top:17px;display:none;" {{{lang}}} {{{dir}}}>
         {{{ui-toc-affix}}}
     </div>
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" defer></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/gist-embed/2.5/gist-embed.min.js" defer></script>
     <script>
diff --git a/public/views/index.ejs b/public/views/index.ejs
index 771d3c4..f71cbdf 100644
--- a/public/views/index.ejs
+++ b/public/views/index.ejs
@@ -193,11 +193,11 @@
     ================================================== -->
     <!-- Placed at the end of the document so the pages load faster -->
     <% if(useCDN) { %>
-	<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js" defer></script>
-    <script src="//cdn.jsdelivr.net/velocity/1.2.3/velocity.min.js" defer></script>
+	<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js" defer></script>
+    <script src="//cdn.jsdelivr.net/velocity/1.3.1/velocity.min.js" defer></script>
 	<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" defer></script>
 	<script src="//cdnjs.cloudflare.com/ajax/libs/select2/3.5.2/select2.min.js" defer></script>
-	<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
+	<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.15.1/moment-with-locales.min.js" defer></script>
 	<script src="//cdnjs.cloudflare.com/ajax/libs/js-url/2.3.0/url.min.js" defer></script>
 	<% } else { %>
 	<script src="<%- url %>/vendor/jquery/dist/jquery.min.js" defer></script>
diff --git a/public/views/pretty.ejs b/public/views/pretty.ejs
index cc6fb33..7965201 100644
--- a/public/views/pretty.ejs
+++ b/public/views/pretty.ejs
@@ -92,11 +92,11 @@
     MathJax.Hub.Config({ messageStyle: "none", skipStartupTypeset: true ,tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']], processEscapes: true }});
 </script>
 <% if(useCDN) { %>
-<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
+<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
 <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.6.1/js-yaml.min.js" defer></script>
 <script type="text/javascript" src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" defer></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.15.1/moment-with-locales.min.js" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" defer></script>
 <% } else { %>
 <script src="<%- url %>/vendor/jquery/dist/jquery.min.js"></script>
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index fb3734b..443e146 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -87,11 +87,11 @@
             MathJax.Hub.Config({ messageStyle: "none", skipStartupTypeset: true ,tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']], processEscapes: true }});
         </script>
         <% if(useCDN) { %>
-        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
-        <script src="//cdn.jsdelivr.net/velocity/1.2.3/velocity.min.js" defer></script>
+        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
+        <script src="//cdn.jsdelivr.net/velocity/1.3.1/velocity.min.js" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.6.1/js-yaml.min.js" defer></script>
         <script type="text/javascript" src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" defer></script>
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.15.1/moment-with-locales.min.js" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" defer></script>
         <% } else { %>
         <script src="<%- url %>/vendor/jquery/dist/jquery.min.js"></script>