diff --git a/README.md b/README.md
index 5d67013..80732bb 100644
--- a/README.md
+++ b/README.md
@@ -114,10 +114,10 @@ This site uses [Jekyll Bootstrap][boots] with a heavily customized version of
 [home]:    https://bpkg.sh/
 [hub]:     https://github.com/bpkg/bpkg
 [org]:     https://github.com/bpkg
-[jekyll]:  http://jekyllrb.com/
+[jekyll]:  https://jekyllrb.com/
 [tuto]:    http://jekyllbootstrap.com/usage/jekyll-quick-start.html
-[posts]:   http://jekyllrb.com/docs/posts/
+[posts]:   https://jekyllrb.com/docs/posts/
 [intro]:   http://jekyllbootstrap.com/lessons/jekyll-introduction.html
 [boots]:   http://jekyllbootstrap.com/
 [theme]:   https://github.com/jekyllbootstrap/theme-the-program
-[saito]:   http://css.studiomohawk.com/
+[saito]:   https://studiomohawk.com/
diff --git a/_includes/JB/comments-providers/disqus b/_includes/JB/comments-providers/disqus
index e479bc4..c49e857 100644
--- a/_includes/JB/comments-providers/disqus
+++ b/_includes/JB/comments-providers/disqus
@@ -6,7 +6,7 @@
   /* * * DON'T EDIT BELOW THIS LINE * * */
   (function() {
     var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
-    dsq.src = 'http://' + disqus_shortname + '.disqus.com/embed.js';
+    dsq.src = 'https://' + disqus_shortname + '.disqus.com/embed.js';
     (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
   })();
 </script>
diff --git a/_includes/footer.html b/_includes/footer.html
index ba7b9e6..06f15c5 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -31,7 +31,7 @@ <h4>news</h4>
 
   <p id="footer-licence">
     Powered by <a href="https://github.com/mojombo/jekyll">Jekyll</a> and <a href="http://jekyllbootstrap.com/">Jekyll-bootstrap</a>.<br />
-    Design made by <a href="http://alexdantas.net">Alexandre Dantas</a>, based on <a href="https://github.com/jekyllbootstrap/theme-the-program">the_program</a> by <a href="http://css.studiomohawk.com/">Yuya Saito</a>.
+    Design made by <a href="http://alexdantas.net">Alexandre Dantas</a>, based on <a href="https://github.com/jekyllbootstrap/theme-the-program">the_program</a> by <a href="http://studiomohawk.com/">Yuya Saito</a>.
   </p>
 
 </div><!-- misc -->
diff --git a/about.md b/about.md
index 3ed64bb..7356f90 100644
--- a/about.md
+++ b/about.md
@@ -4,7 +4,7 @@ title: About
 permalink: /about/
 ---
 
-This is the base Jekyll theme. You can find out more info about customizing your Jekyll theme, as well as basic Jekyll usage documentation at [jekyllrb.com](http://jekyllrb.com/)
+This is the base Jekyll theme. You can find out more info about customizing your Jekyll theme, as well as basic Jekyll usage documentation at [jekyllrb.com](https://jekyllrb.com/)
 
 You can find the source code for the Jekyll new theme at: [github.com/jglovier/jekyll-new](https://github.com/jglovier/jekyll-new)
 
diff --git a/guidelines/index.md b/guidelines/index.md
index 1bbd569..c7c49a5 100644
--- a/guidelines/index.md
+++ b/guidelines/index.md
@@ -149,7 +149,7 @@ $ source my_script.sh
 $ my_script some more args --blah
 ```
 
-[json]: http://json.org/example
+[json]: https://json.org/example
 [shell features]: https://www.gnu.org/software/bash/manual/html_node/Basic-Shell-Features.html
 [special parameters]: https://www.gnu.org/software/bash/manual/html_node/Special-Parameters.html
 [shell expansions]: https://www.gnu.org/software/bash/manual/html_node/Shell-Expansions.html
diff --git a/submit/index.md b/submit/index.md
index 3405ef2..673dcd0 100644
--- a/submit/index.md
+++ b/submit/index.md
@@ -22,7 +22,7 @@ If you don't have a github account yet, you will need to create one.
 The following commands will download our website under a directory called `bpkg.github.io` and then navigate to it.
 
 {% highlight bash %}
-$ git clone http://github.com/bpkg/bpkg.github.io
+$ git clone https://github.com/bpkg/bpkg.github.io
 $ cd bpkg.github.io
 {% endhighlight %}
 
@@ -89,7 +89,7 @@ A _sample package information_ file would be like this:
     ## Links
 
     * [Source Code (GitHub)][https://github.com/your/repository]
-    * [Author: Satan](http://your.homepage.com)
+    * [Author: Satan](https://your.homepage.com)
 
 ## 4. Submit it to us