diff --git a/tests/sim/requirements.3_11.txt b/tests/sim/requirements.3_11.txt
index d98cad1d8..61ec6ce55 100644
--- a/tests/sim/requirements.3_11.txt
+++ b/tests/sim/requirements.3_11.txt
@@ -12,7 +12,7 @@ charset-normalizer==3.4.4
     # via requests
 click==8.3.1
     # via flask
-flask==3.1.2
+flask==3.1.3
     # via -r rakelib/init_deps/flask.in
 gunicorn==25.0.1
     # via -r rakelib/init_deps/flask.in
diff --git a/tests/sim/requirements.3_12.txt b/tests/sim/requirements.3_12.txt
index d98cad1d8..61ec6ce55 100644
--- a/tests/sim/requirements.3_12.txt
+++ b/tests/sim/requirements.3_12.txt
@@ -12,7 +12,7 @@ charset-normalizer==3.4.4
     # via requests
 click==8.3.1
     # via flask
-flask==3.1.2
+flask==3.1.3
     # via -r rakelib/init_deps/flask.in
 gunicorn==25.0.1
     # via -r rakelib/init_deps/flask.in
diff --git a/tests/sim/requirements.3_13.txt b/tests/sim/requirements.3_13.txt
index d98cad1d8..61ec6ce55 100644
--- a/tests/sim/requirements.3_13.txt
+++ b/tests/sim/requirements.3_13.txt
@@ -12,7 +12,7 @@ charset-normalizer==3.4.4
     # via requests
 click==8.3.1
     # via flask
-flask==3.1.2
+flask==3.1.3
     # via -r rakelib/init_deps/flask.in
 gunicorn==25.0.1
     # via -r rakelib/init_deps/flask.in
diff --git a/tests/sim/requirements.3_14.txt b/tests/sim/requirements.3_14.txt
index d98cad1d8..61ec6ce55 100644
--- a/tests/sim/requirements.3_14.txt
+++ b/tests/sim/requirements.3_14.txt
@@ -12,7 +12,7 @@ charset-normalizer==3.4.4
     # via requests
 click==8.3.1
     # via flask
-flask==3.1.2
+flask==3.1.3
     # via -r rakelib/init_deps/flask.in
 gunicorn==25.0.1
     # via -r rakelib/init_deps/flask.in