diff --git a/requirements.txt b/requirements.txt
index 5c74aae..f6d3a19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ keras==2.2.2
 tensorflow==1.12.1
 git+git://github.com/facebookresearch/fastText@v0.2.0
 scikit-learn==0.19.2
-Flask==1.0.2
+Flask==2.3.2
 flask-bootstrap==3.3.7.1
 jsonschema==2.6.0
 gunicorn==19.9.0