diff --git a/tfx/tools/docker/requirements.txt b/tfx/tools/docker/requirements.txt
index 4cf54e74c6..0d454fa3b4 100644
--- a/tfx/tools/docker/requirements.txt
+++ b/tfx/tools/docker/requirements.txt
@@ -70,7 +70,7 @@ fastavro==1.9.7
 fasteners==0.19
 fastjsonschema==2.20.0
 filelock==3.16.1
-Flask==2.2.5
+Flask==3.1.3
 Flask-Babel==2.0.0
 Flask-Caching==2.3.0
 Flask-JWT-Extended==4.6.0