diff --git a/requirements.txt b/requirements.txt
index 9b35769..85814c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ cryptography==3.4.7
     # via paramiko
 elasticsearch==7.16.3
     # via -r requirements.in
-flask==2.0.3
+flask==2.1.3
     # via
     #   -r requirements.in
     #   flask-migrate