diff --git a/README.md b/README.md
index 6c818272fd9a18eb1e5e9f62c470766c53058d0a..ff2622a2b8e2486cddf93d092727fed74b80c81e 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ new functionality.
 You can find more information (and the
 [manual](http://codemirror.net/doc/manual.html)) on the [project
 page](http://codemirror.net). For questions and discussion, use the
-[discussion forum](http://discuss.codemirror.net/).
+[discussion forum](https://discuss.codemirror.net/).
 
 See
 [CONTRIBUTING.md](https://github.com/codemirror/CodeMirror/blob/master/CONTRIBUTING.md)
diff --git a/index.html b/index.html
index d0cb55c34ba14110b538ad1e1c9942bc0e9f6c34..b29e0b51de49f7ce6be57f7459d6445675448616 100644
--- a/index.html
+++ b/index.html
@@ -162,7 +162,7 @@
   license that CodeMirror uses.</p>
 
   <p>Discussion around the project is done on
-  a <a href="http://discuss.codemirror.net">discussion forum</a>.
+  a <a href="https://discuss.codemirror.net">discussion forum</a>.
   There is also
   the <a href="http://groups.google.com/group/codemirror-announce">codemirror-announce</a>
   list, which is only used for major announcements (such as new