diff --git a/nlp/requirements.txt b/nlp/requirements.txt
index f966030..9d03c0f 100644
--- a/nlp/requirements.txt
+++ b/nlp/requirements.txt
@@ -2,7 +2,7 @@
 gunicorn==19.7.1
 numpy==1.16.5
 nltk==3.4.5
-Flask==1.1.1
+Flask==2.3.2
 requests==2.20.1
 requests-oauthlib==1.2.0
 json5==0.8.5