diff --git a/inc/ocf_def.h b/inc/ocf_def.h
index fa0fbf11..e1cb417e 100644
--- a/inc/ocf_def.h
+++ b/inc/ocf_def.h
@@ -22,7 +22,7 @@
  */
 
 #define OCF_VERSION_MAIN 26
-#define OCF_VERSION_MAJOR 9
+#define OCF_VERSION_MAJOR 12
 #define OCF_VERSION_MINOR 0
 
 /**