diff --git a/src/Google/Client.php b/src/Google/Client.php
index 763e474e4..b687805e1 100644
--- a/src/Google/Client.php
+++ b/src/Google/Client.php
@@ -38,7 +38,7 @@
  */
 class Google_Client
 {
-  const LIBVER = "2.5.0";
+  const LIBVER = "2.7.0";
   const USER_AGENT_SUFFIX = "google-api-php-client/";
   const OAUTH2_REVOKE_URI = 'https://oauth2.googleapis.com/revoke';
   const OAUTH2_TOKEN_URI = 'https://oauth2.googleapis.com/token';