diff --git a/sqlor/version.py b/sqlor/version.py
index 406ba5a..fedf635 100644
--- a/sqlor/version.py
+++ b/sqlor/version.py
@@ -1,4 +1,4 @@
 # fixed sor.py C function bug.
-__version__ = 0.1.2
+__version__ = "0.1.2"
 # use PyMySQL to replace mysql-connector
 # __version__ = '0.1.1'