diff --git a/code_of_conduct.md b/code_of_conduct.md
index 959fbe4d5..acdf8537b 100644
--- a/code_of_conduct.md
+++ b/code_of_conduct.md
@@ -52,8 +52,8 @@ themselves available for conduct issues:
 
 This Code of Conduct is adapted from the [Contributor Covenant][homepage],
 version 1.3.0, available at
-[http://contributor-covenant.org/version/1/3/0/][version]
+[https://www.contributor-covenant.org/version/1/3/0/][version]
 
-[homepage]: http://contributor-covenant.org
-[version]: http://contributor-covenant.org/version/1/3/0/
+[homepage]: https://www.contributor-covenant.org
+[version]: https://www.contributor-covenant.org/version/1/3/0/