diff --git a/binary.cc b/binary.cc
index 4ef7d3f6..7b97a21c 100644
--- a/binary.cc
+++ b/binary.cc
@@ -11,7 +11,7 @@
 namespace ledger {
 
 static unsigned long  binary_magic_number = 0xFFEED765;
-static unsigned long  format_version      = 0x00020026;
+static unsigned long  format_version      = 0x00020027;
 
 static account_t **   accounts;
 static account_t **   accounts_next;