diff --git a/AppleWin/docs/History.txt b/AppleWin/docs/History.txt
index 99d0dbfc..52cf5940 100644
--- a/AppleWin/docs/History.txt
+++ b/AppleWin/docs/History.txt
@@ -12,6 +12,14 @@ https://developer.berlios.de/feature/?func=addfeature&group_id=6117
 Tom Charlesworth
 tomch at users.berlios.de
 
+1.23.1 - 8 Aug 2013
+--------------------
+Changes:
+. Added About dialog showing GPL (at startup, but only when AppleWin version changes).
+
+Fixes:
+. Fixed save-state bug for when 4K BANK1 is dirty (previously it would save the stale data instead).
+
 
 1.23.0 - 26 Apr 2013
 --------------------
diff --git a/AppleWin/resource/Applewin.rc b/AppleWin/resource/Applewin.rc
index 63e2c7ff..0d2e57a4 100644
--- a/AppleWin/resource/Applewin.rc
+++ b/AppleWin/resource/Applewin.rc
@@ -246,8 +246,8 @@ DISK_ICON               ICON                    "DISK.ICO"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,23,0,1
- PRODUCTVERSION 1,23,0,1
+ FILEVERSION 1,23,1,0
+ PRODUCTVERSION 1,23,1,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -265,12 +265,12 @@ BEGIN
             VALUE "Comments", "http://applewin.berlios.de"
             VALUE "CompanyName", "AppleWin"
             VALUE "FileDescription", "Apple //e Emulator for Windows"
-            VALUE "FileVersion", "1, 23, 0, 1"
+            VALUE "FileVersion", "1, 23, 1, 0"
             VALUE "InternalName", "APPLEWIN"
             VALUE "LegalCopyright", " 1994-2013 Michael O'Brien, Oliver Schmidt, Tom Charlesworth, Michael Pohoreski, Nick Westgate, Linards Ticmanis"
             VALUE "OriginalFilename", "APPLEWIN.EXE"
             VALUE "ProductName", "Apple //e Emulator"
-            VALUE "ProductVersion", "1, 23, 0, 1"
+            VALUE "ProductVersion", "1, 23, 1, 0"
         END
     END
     BLOCK "VarFileInfo"