diff --git a/win32/config.h b/win32/config.h
index 7f7b7fc0..6a86136a 100644
--- a/win32/config.h
+++ b/win32/config.h
@@ -178,7 +178,7 @@
 #undef TIME_WITH_SYS_TIME
 
 /* Version number of package */
-#define VERSION "2.6.5"
+#define VERSION "2.6.6"
 
 /* Define to 1 if your processor stores words with the most significant byte
    first (like Motorola and SPARC, unlike Intel and VAX). */