diff --git a/setup.py b/setup.py
index 58d0e70..4782697 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@
     url='https://github.com/barrierye/SchedulingTool',
     install_requires=[
         'protobuf>=3.12.2',
-        'PyMySQL==0.9.3',
+        'PyMySQL==1.1.1',
         'sshtunnel==0.1.5',
     ],
 )