diff --git a/public/views/hackmd/foot.ejs b/public/views/hackmd/foot.ejs
index 178b550..5d46937 100644
--- a/public/views/hackmd/foot.ejs
+++ b/public/views/hackmd/foot.ejs
@@ -11,14 +11,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js" integrity="sha256-yYfngbEKv4RENfGDvNUqJTqGFcKf31NJEe9OTnnMH3Y=" crossorigin="anonymous" defer></script>
 <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/moment.js/2.17.1/moment-with-locales.min.js" integrity="sha256-vvT7Ok9u6GbfnBPXnbM6FVDEO8E1kTdgHOFZOAXrktA=" crossorigin="anonymous" defer></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" integrity="sha256-Yabf6Mj1TPKd6h4F6z5xRR1/2son0Wg8NhvjYnhcQcY=" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/7.0.0/mermaid.js" integrity="sha256-CYkCLMEjOLu7eO27wfvnStD+o8cl39h40O3UCGkyoDU=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/emojify.js/1.1.0/js/emojify.min.js" integrity="sha256-VAB5tAlKBvgaxw8oJ1crWMVbdmBVl4mP/2M8MNRl+4E=" 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/1.7.2/socket.io.min.js" integrity="sha256-WKvqiY0jZHWQZIohYEmr9KUC5rEaYEOFTq+ByllJK8w=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.6/handlebars.min.js" integrity="sha256-1O3BtOwnPyyRzOszK6P+gqaRoXHV6JXj8HkjZmPYhCI=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.9.0/highlight.min.js" integrity="sha256-KbfTjB0WZ8vvXngdpJGY3Yp3xKk+tttbqClO11anCIU=" 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/1.4.1/viz.js" integrity="sha256-U0a9HpXT7zG0N3tVzo58B5S+QXUxo4FdBIjrBMYrxZI=" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/1.7.0/viz.js" integrity="sha256-8t+rndrF+TU4JtelmOH1lDHTMe2ovhO2UbzDArp5lY8=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/1000hz-bootstrap-validator/0.11.8/validator.min.js" integrity="sha256-LHeY7YoYJ0SSXbCx7sR14Pqna+52moaH3bhv0Mjzd/M=" crossorigin="anonymous" defer></script>
 <%- include ../build/index-scripts %>
 <% } else { %>
diff --git a/public/views/pretty.ejs b/public/views/pretty.ejs
index a6913f6..15f853a 100644
--- a/public/views/pretty.ejs
+++ b/public/views/pretty.ejs
@@ -84,12 +84,12 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js" integrity="sha256-yYfngbEKv4RENfGDvNUqJTqGFcKf31NJEe9OTnnMH3Y=" crossorigin="anonymous" defer></script>
 <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/moment.js/2.17.1/moment-with-locales.min.js" integrity="sha256-vvT7Ok9u6GbfnBPXnbM6FVDEO8E1kTdgHOFZOAXrktA=" crossorigin="anonymous" defer></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" integrity="sha256-Yabf6Mj1TPKd6h4F6z5xRR1/2son0Wg8NhvjYnhcQcY=" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/7.0.0/mermaid.js" integrity="sha256-CYkCLMEjOLu7eO27wfvnStD+o8cl39h40O3UCGkyoDU=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/emojify.js/1.1.0/js/emojify.min.js" integrity="sha256-VAB5tAlKBvgaxw8oJ1crWMVbdmBVl4mP/2M8MNRl+4E=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.6/handlebars.min.js" integrity="sha256-1O3BtOwnPyyRzOszK6P+gqaRoXHV6JXj8HkjZmPYhCI=" crossorigin="anonymous" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.9.0/highlight.min.js" integrity="sha256-KbfTjB0WZ8vvXngdpJGY3Yp3xKk+tttbqClO11anCIU=" 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/1.4.1/viz.js" integrity="sha256-U0a9HpXT7zG0N3tVzo58B5S+QXUxo4FdBIjrBMYrxZI=" crossorigin="anonymous" defer></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/1.7.0/viz.js" integrity="sha256-8t+rndrF+TU4JtelmOH1lDHTMe2ovhO2UbzDArp5lY8=" crossorigin="anonymous" defer></script>
 <%- include build/pretty-scripts %>
 <% } else { %>
 <script src="<%- url %>/build/MathJax/MathJax.js" defer></script>
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index ffbfdce..3799b2e 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -98,12 +98,12 @@
         <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js" integrity="sha256-yYfngbEKv4RENfGDvNUqJTqGFcKf31NJEe9OTnnMH3Y=" crossorigin="anonymous" defer></script>
         <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/moment.js/2.17.1/moment-with-locales.min.js" integrity="sha256-vvT7Ok9u6GbfnBPXnbM6FVDEO8E1kTdgHOFZOAXrktA=" crossorigin="anonymous" defer></script>
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" integrity="sha256-Yabf6Mj1TPKd6h4F6z5xRR1/2son0Wg8NhvjYnhcQcY=" crossorigin="anonymous" defer></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/7.0.0/mermaid.js" integrity="sha256-CYkCLMEjOLu7eO27wfvnStD+o8cl39h40O3UCGkyoDU=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/emojify.js/1.1.0/js/emojify.min.js" integrity="sha256-VAB5tAlKBvgaxw8oJ1crWMVbdmBVl4mP/2M8MNRl+4E=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.6/handlebars.min.js" integrity="sha256-1O3BtOwnPyyRzOszK6P+gqaRoXHV6JXj8HkjZmPYhCI=" crossorigin="anonymous" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.9.0/highlight.min.js" integrity="sha256-KbfTjB0WZ8vvXngdpJGY3Yp3xKk+tttbqClO11anCIU=" 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/1.4.1/viz.js" integrity="sha256-U0a9HpXT7zG0N3tVzo58B5S+QXUxo4FdBIjrBMYrxZI=" crossorigin="anonymous" defer></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/viz.js/1.7.0/viz.js" integrity="sha256-8t+rndrF+TU4JtelmOH1lDHTMe2ovhO2UbzDArp5lY8=" crossorigin="anonymous" defer></script>
         <%- include build/slide-scripts %>
         <% } else { %>
         <script src="<%- url %>/build/MathJax/MathJax.js" defer></script>