diff --git a/README.md b/README.md
index c52dc61..591ce37 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,6 @@ Some useful information about AsciiDoc can be found below:
 The Packaging Committee tries to follow the following,
 and it is preferred that pull requests do the same.
 
-* Use [Semantic Line Breaks](http://sembr.org/) to make diffing simpler.
+* Use [Semantic Line Breaks](https://sembr.org/) to make diffing simpler.
 * Prefer `https://example.com[here]` over `link:https://example.com[here]`
 * Prefer `[#some-ref]` over `[[some-ref]]`