diff --git a/README.txt b/README.txt
index 619533e..49c1fc5 100644
--- a/README.txt
+++ b/README.txt
@@ -7,7 +7,7 @@ elements more user-friendly.
 -- INSTALLATION --
 
   1. Download the Chosen jQuery plugin
-  (http://harvesthq.github.io/chosen/ version 1.1.0 is recommended)
+  (https://harvesthq.github.io/chosen/ version 1.1.0 is recommended)
   and extract the file under sites/all/libraries.
   2. Download and enable the module.
   3. Configure at Administer > Configuration >
diff --git a/chosen.info b/chosen.info
index 2b91e85..f60eb72 100644
--- a/chosen.info
+++ b/chosen.info
@@ -1,5 +1,5 @@
 name = Chosen
-description = Makes select elements more user-friendly using <a href="http://harvesthq.github.com/chosen/">Chosen</a>.
+description = Makes select elements more user-friendly using <a href="https://harvesthq.github.com/chosen/">Chosen</a>.
 package = User interface
 configure = admin/config/user-interface/chosen
 core = 7.x
diff --git a/chosen.module b/chosen.module
index 965f7b5..9ac1b56 100644
--- a/chosen.module
+++ b/chosen.module
@@ -4,13 +4,13 @@
  * @file
  * General functions and hook implementations.
  *
- * @see http://harvesthq.github.com/chosen/
+ * @see https://harvesthq.github.com/chosen/
  */
 
 /**
  * Define chosen library url.
  */
-define('CHOSEN_WEBSITE_URL', 'http://harvesthq.github.io/chosen');
+define('CHOSEN_WEBSITE_URL', 'https://harvesthq.github.io/chosen');
 define('CHOSEN_INCLUDE_ADMIN', 0);
 define('CHOSEN_INCLUDE_NO_ADMIN', 1);
 define('CHOSEN_INCLUDE_EVERYWHERE', 2);
diff --git a/drush/chosen.drush.inc b/drush/chosen.drush.inc
index 1d46c75..bd3b542 100644
--- a/drush/chosen.drush.inc
+++ b/drush/chosen.drush.inc
@@ -49,7 +49,7 @@ function chosen_drush_command() {
 function chosen_drush_help($section) {
   switch ($section) {
     case 'drush:chosen-plugin':
-      return dt('Download and install the Chosen plugin from http://harvesthq.github.com/chosen, default location is sites/all/libraries.');
+      return dt('Download and install the Chosen plugin from https://harvesthq.github.com/chosen, default location is sites/all/libraries.');
   }
 }