diff --git a/src/requirements.txt b/src/requirements.txt
index 7fbc9bc..20f969f 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -9,7 +9,7 @@ certifi
 dogpile.cache==0.6.2
 elasticsearch>=6.0.0,<7.0.0
 flask-bootstrap==3.3.7.1
-flask==1.0.2
+flask==2.3.2
 gevent==1.1.2
 healthcheck==1.3.3
 jaeger-client==3.12.0