diff --git a/php_tdb.h b/php_tdb.h
index 00d202f..d2a402b 100644
--- a/php_tdb.h
+++ b/php_tdb.h
@@ -24,7 +24,7 @@
 extern zend_module_entry tdb_module_entry;
 #define phpext_tdb_ptr &tdb_module_entry
 
-#define PHP_TDB_VERSION "1.0.0"
+#define PHP_TDB_VERSION "1.0.1-dev"
 
 #ifdef PHP_WIN32
 #define PHP_TDB_API __declspec(dllexport)