update version number

diff --git a/keylogger.pyw b/keylogger.pyw
index 900d39c..a11446f 100644
--- a/keylogger.pyw
+++ b/keylogger.pyw
@@ -59,7 +59,7 @@ class KeyLogger:

     def ParseOptions(self):
         #usage = "usage: %prog [options] arg"
-        parser = OptionParser(version="%prog version 0.3")
+        parser = OptionParser(version="%prog version 0.4")
         parser.add_option("-f", "--file", action="store", dest="dirname", help="write log data to DIRNAME [default: %default]")
         parser.add_option("-k", "--keyboard", action="store_true", dest="hookKeyboard", help="log keyboard input [default: %default]")
         parser.add_option("-a", "--addlinefeed", action="store_true", dest="addLineFeed", help="add linefeed [\\n] character when carriage return [\\r] character is detected (for Notepad compatibility) [default: %default]")