Apparently the next major version or Redis will be 2.8.

lib/Predis/Profiles/ServerVersionNext.php

@@ -23,7 +23,7 @@ class ServerVersionNext extends ServerVersion26
      */
     public function getVersion()
     {
-        return '3.0';
+        return '2.8';
     }
 
     /**

tests/Predis/Profiles/ServerProfileTest.php

@@ -20,7 +20,7 @@ use Predis\Commands\Processors\ProcessorChain;
 class ServerProfileTest extends StandardTestCase
 {
     const DEFAULT_PROFILE_VERSION = '2.4';
-    const DEVELOPMENT_PROFILE_VERSION = '3.0';
+    const DEVELOPMENT_PROFILE_VERSION = '2.8';
 
     /**
      * @group disconnected

tests/Predis/Profiles/ServerVersionNextTest.php

@@ -29,7 +29,7 @@ class ServerVersionNextTest extends ServerVersionTestCase
      */
     public function getExpectedVersion()
     {
-        return '3.0';
+        return '2.8';
     }
 
     /**