diff --git a/gcp/appengine/poetry.lock b/gcp/appengine/poetry.lock
index 4e1ce939019..b07e59cb9e0 100644
--- a/gcp/appengine/poetry.lock
+++ b/gcp/appengine/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "astroid"
@@ -521,21 +521,21 @@ profile = ["gprof2dot (>=2022.7.29)"]
 
 [[package]]
 name = "flask"
-version = "2.3.3"
+version = "3.1.0"
 description = "A simple framework for building complex web applications."
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 files = [
-    {file = "flask-2.3.3-py3-none-any.whl", hash = "sha256:f69fcd559dc907ed196ab9df0e48471709175e696d6e698dd4dbe940f96ce66b"},
-    {file = "flask-2.3.3.tar.gz", hash = "sha256:09c347a92aa7ff4a8e7f3206795f30d826654baf38b873d0744cd571ca609efc"},
+    {file = "flask-3.1.0-py3-none-any.whl", hash = "sha256:d667207822eb83f1c4b50949b1623c8fc8d51f2341d65f72e1a1815397551136"},
+    {file = "flask-3.1.0.tar.gz", hash = "sha256:5f873c5184c897c8d9d1b05df1e3d01b14910ce69607a117bd3277098a5836ac"},
 ]
 
 [package.dependencies]
-blinker = ">=1.6.2"
+blinker = ">=1.9"
 click = ">=8.1.3"
-itsdangerous = ">=2.1.2"
+itsdangerous = ">=2.2"
 Jinja2 = ">=3.1.2"
-Werkzeug = ">=2.3.7"
+Werkzeug = ">=3.1"
 
 [package.extras]
 async = ["asgiref (>=3.2)"]
@@ -1946,4 +1946,4 @@ cffi = ["cffi (>=1.11)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "d122c3a5a4ded6cad56990a365eb86452d2e0b6b4cdd96b4814de5d3f8255c72"
+content-hash = "7fb67a06b33334e76a37316c41256ed21dbfb92152e3d89624d3c2605b3a20f4"
diff --git a/gcp/appengine/pyproject.toml b/gcp/appengine/pyproject.toml
index 47c6ab14ad7..69997aad6c8 100644
--- a/gcp/appengine/pyproject.toml
+++ b/gcp/appengine/pyproject.toml
@@ -5,7 +5,7 @@ package-mode = false
 [tool.poetry.dependencies]
 python = "^3.11"
 
-Flask = "==2.3.3"
+Flask = "==3.1.0"
 Flask-Caching = "==2.3.0"
 Flask-Compress = "==1.17"
 werkzeug = "==3.1.3"