diff --git a/src/common/StateManager.hxx b/src/common/StateManager.hxx
index 243063709..e5b265877 100644
--- a/src/common/StateManager.hxx
+++ b/src/common/StateManager.hxx
@@ -18,7 +18,7 @@
 #ifndef STATE_MANAGER_HXX
 #define STATE_MANAGER_HXX
 
-#define STATE_HEADER "06050301state"
+#define STATE_HEADER "06070000state"
 
 class OSystem;
 class RewindManager;
diff --git a/src/emucore/Event.hxx b/src/emucore/Event.hxx
index 1b01cf729..0a3fffbe4 100644
--- a/src/emucore/Event.hxx
+++ b/src/emucore/Event.hxx
@@ -190,7 +190,7 @@ class Event
     };
 
     // Event list version, update only if the id of existing(!) event types changed
-    static constexpr Int32 VERSION = 5;
+    static constexpr Int32 VERSION = 6;
 
     using EventSet = std::set<Event::Type>;