diff --git a/php_timecop.h b/php_timecop.h
index 7b1cfa4..e57d232 100644
--- a/php_timecop.h
+++ b/php_timecop.h
@@ -25,7 +25,7 @@ SOFTWARE.
 #ifndef PHP_TIMECOP_H
 #define PHP_TIMECOP_H
 
-#define PHP_TIMECOP_VERSION "1.5.0"
+#define PHP_TIMECOP_VERSION "1.6.0"
 
 extern zend_module_entry timecop_module_entry;
 #define phpext_timecop_ptr &timecop_module_entry