diff --git a/php_xls_writer.h b/php_xls_writer.h
index 831b41b..4195238 100644
--- a/php_xls_writer.h
+++ b/php_xls_writer.h
@@ -18,7 +18,7 @@
 extern zend_module_entry xlswriter_module_entry;
 #define phpext_xlswriter_ptr &xlswriter_module_entry
 
-#define PHP_XLSWRITER_VERSION "1.2.2"
+#define PHP_XLSWRITER_VERSION "1.2.3"
 
 #ifdef PHP_WIN32
 #	define PHP_VTIFUL_API __declspec(dllexport)