diff --git a/appengine/flexible/cloudsql/requirements.txt b/appengine/flexible/cloudsql/requirements.txt
index cf2681656a0..5afda25162f 100644
--- a/appengine/flexible/cloudsql/requirements.txt
+++ b/appengine/flexible/cloudsql/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.0.2
 Flask-SQLAlchemy==2.3.2
 gunicorn==19.9.0
-PyMySQL==0.9.3
+PyMySQL==1.1.1