diff --git a/requirements.txt b/requirements.txt
index 94d6ef8..a3673e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2019.3.9
 chardet==3.0.4
 Click==7.0
 decorator==4.4.0
-Flask==1.0.2
+Flask==3.1.3
 h5py==2.9.0
 idna==2.8
 itsdangerous==1.1.0