diff --git a/requirements.txt b/requirements.txt
index 9356c2dbc..7616332aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Babel==2.12.1
 configobj==5.0.8
 Flask==2.3.2
-Flask-Babel==3.1.0
+Flask-Babel==4.0.0
 furo==2023.9.10
 GPUtil==1.4.0
 IPy==1.01