diff --git a/requirements.txt b/requirements.txt
index fa131bdf7..af2c90a38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ beautifulsoup4<=4.12.2
 biopython<=1.83
 chardet<=5.2.0
 colorlover<=0.3.0
-flask==1.1.1
+flask==3.1.3
 gensim<=4.3.2
 itsdangerous==2.0.1
 Jinja2==3.0.3