diff --git a/CODE_OF_CONDUCT.adoc b/CODE_OF_CONDUCT.adoc
index f013d6f..17783c7 100644
--- a/CODE_OF_CONDUCT.adoc
+++ b/CODE_OF_CONDUCT.adoc
@@ -40,5 +40,5 @@ appropriate to the circumstances. Maintainers are obligated to maintain confiden
 with regard to the reporter of an incident.
 
 This Code of Conduct is adapted from the
-http://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at
-http://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/]
+https://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at
+https://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/]