diff --git a/lib/version.php b/lib/version.php
index a56de3f57f9..eb76ac73599 100644
--- a/lib/version.php
+++ b/lib/version.php
@@ -15,7 +15,7 @@
 class eZPublishSDK
 {
     const GIT_COMMIT_HASH = '';
-    const VERSION_MAJOR = 1;
+    const VERSION_MAJOR = 10;
     const VERSION_MINOR = 0;
     const VERSION_RELEASE = 0;
     const VERSION_STATE = 'master';