Increment version to 4.9.4.dev1.
#define MOD_WSGI_MAJORVERSION_NUMBER 4
#define MOD_WSGI_MINORVERSION_NUMBER 9
-#define MOD_WSGI_MICROVERSION_NUMBER 3
-#define MOD_WSGI_VERSION_STRING "4.9.3"
+#define MOD_WSGI_MICROVERSION_NUMBER 4
+#define MOD_WSGI_VERSION_STRING "4.9.4.dev1"
/* ------------------------------------------------------------------------- */
