diff --git a/requirements.txt b/requirements.txt
index af19453..4e7edca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ flask
 pymongo==3.10.1
 gunicorn==20.0.4
 psycopg2-binary==2.8.4
-PyMySQL==0.9.3
+PyMySQL==1.1.1