diff --git a/system/src/Grav/Common/GPM/Remote/AbstractPackageCollection.php b/system/src/Grav/Common/GPM/Remote/AbstractPackageCollection.php
index 2895793a3..a1cdddfcd 100644
--- a/system/src/Grav/Common/GPM/Remote/AbstractPackageCollection.php
+++ b/system/src/Grav/Common/GPM/Remote/AbstractPackageCollection.php
@@ -41,10 +41,11 @@ class AbstractPackageCollection extends BaseCollection
             throw new \RuntimeException("A repository is required to indicate the origin of the remote collection");
         }
 
+        $channel = Grav::instance()['config']->get('system.gpm.releases', 'stable');
         $cache_dir = Grav::instance()['locator']->findResource('cache://gpm', true, true);
         $this->cache = new FilesystemCache($cache_dir);
 
-        $this->repository = $repository . '?v=' . GRAV_VERSION;
+        $this->repository = $repository . '?v=' . GRAV_VERSION . '&' . $channel . '=1';
         $this->raw        = $this->cache->fetch(md5($this->repository));
 
         $this->fetch($refresh, $callback);
diff --git a/system/src/Grav/Common/GPM/Remote/GravCore.php b/system/src/Grav/Common/GPM/Remote/GravCore.php
index 2c16bbb70..31b8c57a6 100644
--- a/system/src/Grav/Common/GPM/Remote/GravCore.php
+++ b/system/src/Grav/Common/GPM/Remote/GravCore.php
@@ -18,9 +18,10 @@ class GravCore extends AbstractPackageCollection
      */
     public function __construct($refresh = false, $callback = null)
     {
+        $channel = Grav::instance()['config']->get('system.gpm.releases', 'stable');
         $cache_dir   = Grav::instance()['locator']->findResource('cache://gpm', true, true);
         $this->cache = new FilesystemCache($cache_dir);
-        $this->repository .= '?v=' . GRAV_VERSION;
+        $this->repository .= '?v=' . GRAV_VERSION . '&' . $channel . '=1';
         $this->raw = $this->cache->fetch(md5($this->repository));
 
         $this->fetch($refresh, $callback);
diff --git a/system/src/Grav/Common/GPM/Remote/Plugins.php b/system/src/Grav/Common/GPM/Remote/Plugins.php
index 074e5d039..036fc0c2a 100644
--- a/system/src/Grav/Common/GPM/Remote/Plugins.php
+++ b/system/src/Grav/Common/GPM/Remote/Plugins.php
@@ -21,8 +21,6 @@ class Plugins extends AbstractPackageCollection
      */
     public function __construct($refresh = false, $callback = null)
     {
-        $this->repository .= '?v=' . GRAV_VERSION;
-
         parent::__construct($this->repository, $refresh, $callback);
     }
 }
diff --git a/system/src/Grav/Common/GPM/Remote/Themes.php b/system/src/Grav/Common/GPM/Remote/Themes.php
index cc4af7d02..43a5af54d 100644
--- a/system/src/Grav/Common/GPM/Remote/Themes.php
+++ b/system/src/Grav/Common/GPM/Remote/Themes.php
@@ -21,8 +21,6 @@ class Themes extends AbstractPackageCollection
      */
     public function __construct($refresh = false, $callback = null)
     {
-        $this->repository .= '?v=' . GRAV_VERSION;
-
         parent::__construct($this->repository, $refresh, $callback);
     }
 }