diff --git a/.github/CONTRIBUTING.markdown b/.github/CONTRIBUTING.markdown
index 170b8819..8181037a 100644
--- a/.github/CONTRIBUTING.markdown
+++ b/.github/CONTRIBUTING.markdown
@@ -15,7 +15,7 @@ Whether you're a developer, a designer, or just a Jekyll devotee, there are lots
 
 * [Install Jekyll on your computer](https://jekyllrb.com/docs/installation/) and kick the tires. Does it work? Does it do what you'd expect? If not, [open an issue](https://github.com/jekyll/jekyll/issues/new) and let us know.
 * Comment on some of the project's [open issues](https://github.com/jekyll/jekyll/issues). Have you experienced the same problem? Know a work around? Do you have a suggestion for how the feature could be better?
-* Read through [the documentation](http://jekyllrb.com/docs/home/), and click the "improve this page" button, any time you see something confusing, or have a suggestion for something that could be improved.
+* Read through [the documentation](https://jekyllrb.com/docs/home/), and click the "improve this page" button, any time you see something confusing, or have a suggestion for something that could be improved.
 * Browse through [the Jekyll discussion forum](https://talk.jekyllrb.com/), and lend a hand answering questions. There's a good chance you've already experienced what another user is experiencing.
 * Find [an open issue](https://github.com/jekyll/jekyll/issues) (especially [those labeled `help-wanted`](https://github.com/jekyll/jekyll/issues?q=is%3Aopen+is%3Aissue+label%3Ahelp-wanted)), and submit a proposed fix. If it's your first pull request, we promise we won't bite, and are glad to answer any questions.
 * Help evaluate [open pull requests](https://github.com/jekyll/jekyll/pulls), by testing the changes locally and reviewing what's proposed.
@@ -68,7 +68,7 @@ One gotcha, all pull requests should be directed at the `master` branch (the def
 
 ### Adding plugins
 
-If you want to add your plugin to the [list of plugins](http://jekyllrb.com/docs/plugins/#available-plugins), please submit a pull request modifying the [plugins page source file](site/_docs/plugins.md) by adding a link to your plugin under the proper subheading depending upon its type.
+If you want to add your plugin to the [list of plugins](https://jekyllrb.com/docs/plugins/#available-plugins), please submit a pull request modifying the [plugins page source file](site/_docs/plugins.md) by adding a link to your plugin under the proper subheading depending upon its type.
 
 ## Code Contributions