diff --git a/src/rdb.h b/src/rdb.h
index 30b2004b..bf0a34d2 100644
--- a/src/rdb.h
+++ b/src/rdb.h
@@ -38,7 +38,7 @@
 
 /* The current RDB version. When the format changes in a way that is no longer
  * backward compatible this number gets incremented. */
-#define RDB_VERSION 8
+#define RDB_VERSION 9
 
 /* Defines related to the dump file format. To store 32 bits lengths for short
  * keys requires a lot of space, so we check the most significant 2 bits of