diff --git a/README.md b/README.md
index e4c1575..09c39af 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ This web user interface use [Riot](https://github.com/Riot/riot) the react-like
  * List all tags for a repository/image
  * Sort the tag list
  * One interface for many registry
+ * Use a secured docker registry
 
 ## Getting Started
 ### Basic
@@ -60,3 +61,19 @@ To run the docker and see the website on your 8080 port, try this :
 ```sh
 docker run -d -p 8080:8080 joxit/docker-registry-ui
 ```
+
+## Using CORS
+
+Your server should be configured to accept CORS.
+
+If your docker registry does not need credentials, you will need to send this HEADER :
+```
+Access-Control-Allow-Origin: '*'
+```
+
+If your docker registry need credentials, you will need to send these HEADERS :
+```
+Access-Control-Allow-Origin: '<your docker-registry-ui url>'
+Access-Control-Allow-Credentials: true
+Access-Control-Allow-Methods: ['HEAD', 'GET', 'OPTIONS'] # Optional
+```
diff --git a/catalog.tag b/catalog.tag
index 2f44473..ad3a64c 100644
--- a/catalog.tag
+++ b/catalog.tag
@@ -72,7 +72,7 @@
         registryUI.catalog.instance.update();
       });
       oReq.open('GET', registryUI.url() + '/v2/_catalog');
-      oReq.withCredentials = false;
+      oReq.withCredentials = true;
       oReq.send();
     };
     this.on('updated', function () {
diff --git a/taglist.tag b/taglist.tag
index ee0f0c1..a1f18f7 100644
--- a/taglist.tag
+++ b/taglist.tag
@@ -85,7 +85,7 @@
           registryUI.taglist.instance.update();
         });
         oReq.open('GET', registryUI.url() + '/v2/' + name + '/tags/list');
-        oReq.withCredentials = false;
+        oReq.withCredentials = true;
         oReq.send();
       }
     };