diff --git a/public/views/codimd/foot.ejs b/public/views/codimd/foot.ejs
index 4f881fa93..db7d8fa9e 100644
--- a/public/views/codimd/foot.ejs
+++ b/public/views/codimd/foot.ejs
@@ -10,7 +10,7 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-immzXfCGLhnx3Zfi9F/dUcqxEM8K3o3oTFy9Bh6HCwg=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/config/Safe.js" integrity="sha256-0ygBUDksNDXZS4vm5HMNH1a33KUu6QT1cdNTN+ZLF+4=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment-with-locales.min.js" integrity="sha256-AdQN98MVZs44Eq2yTwtoKufhnU+uZ7v2kXnD5vqzZVo=" crossorigin="anonymous" defer></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/8.10.2/mermaid.min.js" integrity="sha512-UjRGY3wuX8Jnhbf5r71wM8QtR/xr/BzflZ8znqfCuBOxeuzNjGmfjaU3AIeHph7fZuqx1bEbZ6Iq2zBsrHAIsQ==" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/11.5.0/mermaid.min.js" integrity="sha512-3EZqKCkk3nMLmbrI7mfry81KH7dkzy/BoDfQrodwLQnS/RbsVlERdYP6J0oiJegRUxSOmx7Y35WNbVKSw7mipw==" crossorigin="anonymous" referrerpolicy="no-referrer" defer></script>
 <script src="https://cdn.jsdelivr.net/npm/@hackmd/emojify.js@2.1.0/dist/js/emojify-browser.min.js" integrity="sha256-swgfXtqk2bC98KzPoE8tXRz5tmrzpjJWhhXlhYo/wRA=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.2/lodash.min.js" integrity="sha256-Cv5v4i4SuYvwRYzIONifZjoc99CkwfncROMSWat1cVA=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.1.1/socket.io.js" integrity="sha256-ji09tECORKvr8xB9iCl8DJ8iNMLriDchC1+p+yt1hSs=" crossorigin="anonymous"></script>
diff --git a/public/views/pretty.ejs b/public/views/pretty.ejs
index 2d63ffac4..f545622dc 100644
--- a/public/views/pretty.ejs
+++ b/public/views/pretty.ejs
@@ -88,14 +88,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-immzXfCGLhnx3Zfi9F/dUcqxEM8K3o3oTFy9Bh6HCwg=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/config/Safe.js" integrity="sha256-0ygBUDksNDXZS4vm5HMNH1a33KUu6QT1cdNTN+ZLF+4=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment-with-locales.min.js" integrity="sha256-AdQN98MVZs44Eq2yTwtoKufhnU+uZ7v2kXnD5vqzZVo=" crossorigin="anonymous" defer></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/8.10.2/mermaid.min.js" integrity="sha512-UjRGY3wuX8Jnhbf5r71wM8QtR/xr/BzflZ8znqfCuBOxeuzNjGmfjaU3AIeHph7fZuqx1bEbZ6Iq2zBsrHAIsQ==" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/11.5.0/mermaid.min.js" integrity="sha512-3EZqKCkk3nMLmbrI7mfry81KH7dkzy/BoDfQrodwLQnS/RbsVlERdYP6J0oiJegRUxSOmx7Y35WNbVKSw7mipw==" crossorigin="anonymous" referrerpolicy="no-referrer" defer></script>
 <script src="https://cdn.jsdelivr.net/npm/@hackmd/emojify.js@2.1.0/dist/js/emojify-browser.min.js" integrity="sha256-swgfXtqk2bC98KzPoE8tXRz5tmrzpjJWhhXlhYo/wRA=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.1.2/handlebars.min.js" integrity="sha256-ngJY93C4H39YbmrWhnLzSyiepRuQDVKDNCWO2iyMzFw=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.10/highlight.min.js" integrity="sha256-1zu+3BnLYV9LdiY85uXMzii3bdrkelyp37e0ZyTAQh0=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/gist-embed/2.6.0/gist-embed.min.js" integrity="sha256-KyF2D6xPIJUW5sUDSs93vWyZm+1RzIpKCexxElmxl8g=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/2.1.2/viz.js" integrity="sha256-8RHyK+AFzq9iXwbFo2unqidwPbwHU5FFWe3RwkcVtuU=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/2.1.2/full.render.js" integrity="sha256-Ogqs510LFnekr9o7OLdpelaaAmNss9egQRTyzCqV2NQ=" crossorigin="anonymous" defer></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/abcjs/3.1.1/abcjs_basic-min.js" integrity="sha256-Sq1r2XXWXQoShQKsS0Wrf5r7fRkErd9Fat9vHYeU68s=" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/abcjs/6.4.4/abcjs-basic.min.js" integrity="sha512-uVrpuoBZLoqLvjKDI0tCpD1HBOIZNTf9EwCrNaxVkk47zpRB54pW81gm8z2DkjtPGPjLZNy/jO5lJ8aXCATuVQ==" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/vega/5.17.1/vega.min.js" integrity="sha512-VaNhWxxm7c02xaYMBd8FTS1V89mnFLopQ2/ClJkrSmh421NROVQNJMqeL5KnwpFW14POUzFIzEIETV/5SAbH/Q==" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-lite/4.17.0/vega-lite.min.js" integrity="sha512-GUsnbKvdacPXIFZvHFFFnWEulYU74fanU2z9aie8g3/F/xcX9vxZuQFLwv9NjdV261fxj9SyAJ3Cf65jvYWMxw==" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-embed/6.14.2/vega-embed.min.js" integrity="sha512-Nhf4uoYFL/Mu9UESXLF9Mo22qmhuWEhAQWHAZOHpNntSvtzjsg5dWn8PBQN6l573WPNWgL6F7VwzTY9Y+l+RPg==" crossorigin="anonymous" defer></script>
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index fb997d5dd..ca044b8d6 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -100,14 +100,14 @@
         <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-immzXfCGLhnx3Zfi9F/dUcqxEM8K3o3oTFy9Bh6HCwg=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/config/Safe.js" integrity="sha256-0ygBUDksNDXZS4vm5HMNH1a33KUu6QT1cdNTN+ZLF+4=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment-with-locales.min.js" integrity="sha256-AdQN98MVZs44Eq2yTwtoKufhnU+uZ7v2kXnD5vqzZVo=" crossorigin="anonymous" defer></script>
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/8.10.2/mermaid.min.js" integrity="sha512-UjRGY3wuX8Jnhbf5r71wM8QtR/xr/BzflZ8znqfCuBOxeuzNjGmfjaU3AIeHph7fZuqx1bEbZ6Iq2zBsrHAIsQ==" crossorigin="anonymous" defer></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/11.5.0/mermaid.min.js" integrity="sha512-3EZqKCkk3nMLmbrI7mfry81KH7dkzy/BoDfQrodwLQnS/RbsVlERdYP6J0oiJegRUxSOmx7Y35WNbVKSw7mipw==" crossorigin="anonymous" referrerpolicy="no-referrer" defer></script>
         <script src="https://cdn.jsdelivr.net/npm/@hackmd/emojify.js@2.1.0/dist/js/emojify-browser.min.js" integrity="sha256-swgfXtqk2bC98KzPoE8tXRz5tmrzpjJWhhXlhYo/wRA=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.1.2/handlebars.min.js" integrity="sha256-ngJY93C4H39YbmrWhnLzSyiepRuQDVKDNCWO2iyMzFw=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.10/highlight.min.js" integrity="sha256-1zu+3BnLYV9LdiY85uXMzii3bdrkelyp37e0ZyTAQh0=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/gist-embed/2.6.0/gist-embed.min.js" integrity="sha256-KyF2D6xPIJUW5sUDSs93vWyZm+1RzIpKCexxElmxl8g=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/2.1.2/viz.js" integrity="sha256-8RHyK+AFzq9iXwbFo2unqidwPbwHU5FFWe3RwkcVtuU=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/2.1.2/full.render.js" integrity="sha256-Ogqs510LFnekr9o7OLdpelaaAmNss9egQRTyzCqV2NQ=" crossorigin="anonymous" defer></script>
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/abcjs/3.1.1/abcjs_basic-min.js" integrity="sha256-Sq1r2XXWXQoShQKsS0Wrf5r7fRkErd9Fat9vHYeU68s=" crossorigin="anonymous" defer></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/abcjs/6.4.4/abcjs-basic.min.js" integrity="sha512-uVrpuoBZLoqLvjKDI0tCpD1HBOIZNTf9EwCrNaxVkk47zpRB54pW81gm8z2DkjtPGPjLZNy/jO5lJ8aXCATuVQ==" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/vega/5.17.1/vega.min.js" integrity="sha512-VaNhWxxm7c02xaYMBd8FTS1V89mnFLopQ2/ClJkrSmh421NROVQNJMqeL5KnwpFW14POUzFIzEIETV/5SAbH/Q==" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-lite/4.17.0/vega-lite.min.js" integrity="sha512-GUsnbKvdacPXIFZvHFFFnWEulYU74fanU2z9aie8g3/F/xcX9vxZuQFLwv9NjdV261fxj9SyAJ3Cf65jvYWMxw==" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-embed/6.14.2/vega-embed.min.js" integrity="sha512-Nhf4uoYFL/Mu9UESXLF9Mo22qmhuWEhAQWHAZOHpNntSvtzjsg5dWn8PBQN6l573WPNWgL6F7VwzTY9Y+l+RPg==" crossorigin="anonymous" defer></script>