diff --git a/libraries/chain/include/graphene/chain/config.hpp b/libraries/chain/include/graphene/chain/config.hpp
index d5570397..7b3e8743 100644
--- a/libraries/chain/include/graphene/chain/config.hpp
+++ b/libraries/chain/include/graphene/chain/config.hpp
@@ -151,7 +151,7 @@
 #define GRAPHENE_RECENTLY_MISSED_COUNT_INCREMENT             4
 #define GRAPHENE_RECENTLY_MISSED_COUNT_DECREMENT             3
 
-#define GRAPHENE_CURRENT_DB_VERSION                          "PPY2.1"
+#define GRAPHENE_CURRENT_DB_VERSION                          "PPY2.2"
 
 #define GRAPHENE_IRREVERSIBLE_THRESHOLD                      (70 * GRAPHENE_1_PERCENT)