diff --git a/requirements.txt b/requirements.txt
index 81ebba9..a0f61d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ kiwisolver==1.1.0
 matplotlib==3.1.3
 numpy==1.18.1
 openpyxl==3.0.3
-PyMySQL==0.9.3
+PyMySQL==1.1.1
 pyparsing==2.4.6
 python-dateutil==2.8.1
 six==1.14.0