diff --git a/src/version.h b/src/version.h
index c8917212d..92b1816a1 100644
--- a/src/version.h
+++ b/src/version.h
@@ -51,7 +51,7 @@ const char *GetVersionString();
 // Version identifier for network games.
 // Bump it every time you do a release unless you're certain you
 // didn't change anything that will affect sync.
-#define NETGAMEVERSION 230
+#define NETGAMEVERSION 231
 
 // Version stored in the ini's [LastRun] section.
 // Bump it if you made some configuration change that you want to