diff --git a/site/_docs/continuous-integration.md b/site/_docs/continuous-integration.md
index 587ecdab..15e49898 100644
--- a/site/_docs/continuous-integration.md
+++ b/site/_docs/continuous-integration.md
@@ -230,4 +230,4 @@ This entire guide is open-source. Go ahead and [edit it][3] if you have a
 fix or [ask for help][4] if you run into trouble and need some help.
 
 [3]: https://github.com/jekyll/jekyll/edit/master/site/_docs/continuous-integration.md
-[4]: http://jekyllrb.com/help/
+[4]: https://jekyllrb.com/help/