diff --git a/requirements.txt b/requirements.txt
index 6efdd7f2..94ddef58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 biopython==1.78
 bs4==0.0.1
 click==7.1.2
-flask==1.1.2
+flask==2.3.2
 flask_sqlalchemy==2.4.4
 pymysql==0.10.1
 pyyaml==5.4.1