diff --git a/src/wp-includes/Requests/IPv6.php b/src/wp-includes/Requests/IPv6.php
index ba88786be6..76673477cd 100644
--- a/src/wp-includes/Requests/IPv6.php
+++ b/src/wp-includes/Requests/IPv6.php
@@ -30,7 +30,7 @@ class Requests_IPv6 {
 	 * @author elfrink at introweb dot nl
 	 * @author Josh Peck <jmp at joshpeck dot org>
 	 * @copyright 2003-2005 The PHP Group
-	 * @license http://www.opensource.org/licenses/bsd-license.php
+	 * @license https://www.opensource.org/licenses/bsd-license.php
 	 * @param string $ip An IPv6 address
 	 * @return string The uncompressed IPv6 address
 	 */
diff --git a/src/wp-includes/Requests/IRI.php b/src/wp-includes/Requests/IRI.php
index 5d80e49572..54a942f873 100644
--- a/src/wp-includes/Requests/IRI.php
+++ b/src/wp-includes/Requests/IRI.php
@@ -43,7 +43,7 @@
  * @author Geoffrey Sneddon
  * @author Steve Minutillo
  * @copyright 2007-2009 Geoffrey Sneddon and Steve Minutillo
- * @license http://www.opensource.org/licenses/bsd-license.php
+ * @license https://www.opensource.org/licenses/bsd-license.php
  * @link http://hg.gsnedders.com/iri/
  *
  * @property string $iri IRI we're working with
diff --git a/src/wp-includes/class-IXR.php b/src/wp-includes/class-IXR.php
index 0cd72df20e..c6773865c7 100644
--- a/src/wp-includes/class-IXR.php
+++ b/src/wp-includes/class-IXR.php
@@ -36,7 +36,7 @@
  * @version    1.7.4 7th September 2010
  * @author     Simon Willison
  * @link       http://scripts.incutio.com/xmlrpc/ Site/manual
- * @license    http://www.opensource.org/licenses/bsd-license.php BSD
+ * @license    https://www.opensource.org/licenses/bsd-license.php BSD
  */
 
 require_once ABSPATH . WPINC . '/IXR/class-IXR-server.php';