diff --git a/servicex_app/poetry.lock b/servicex_app/poetry.lock
index 46f90848..5019912e 100644
--- a/servicex_app/poetry.lock
+++ b/servicex_app/poetry.lock
@@ -763,18 +763,19 @@ dotenv = ["python-dotenv"]
 
 [[package]]
 name = "flask-cors"
-version = "4.0.2"
-description = "A Flask extension adding a decorator for CORS support"
+version = "6.0.0"
+description = "A Flask extension simplifying CORS support"
 optional = false
-python-versions = "*"
+python-versions = "<4.0,>=3.9"
 groups = ["main"]
 files = [
-    {file = "Flask_Cors-4.0.2-py2.py3-none-any.whl", hash = "sha256:38364faf1a7a5d0a55bd1d2e2f83ee9e359039182f5e6a029557e1f56d92c09a"},
-    {file = "flask_cors-4.0.2.tar.gz", hash = "sha256:493b98e2d1e2f1a4720a7af25693ef2fe32fbafec09a2f72c59f3e475eda61d2"},
+    {file = "flask_cors-6.0.0-py3-none-any.whl", hash = "sha256:6332073356452343a8ccddbfec7befdc3fdd040141fe776ec9b94c262f058657"},
+    {file = "flask_cors-6.0.0.tar.gz", hash = "sha256:4592c1570246bf7beee96b74bc0adbbfcb1b0318f6ba05c412e8909eceec3393"},
 ]
 
 [package.dependencies]
-Flask = ">=0.9"
+flask = ">=0.9"
+Werkzeug = ">=0.7"
 
 [[package]]
 name = "flask-jwt-extended"
@@ -2141,4 +2142,4 @@ email = ["email-validator"]
 [metadata]
 lock-version = "2.1"
 python-versions = "~3.10"
-content-hash = "0e770d566dedf09b6d1b8a6fe51b8f880904be1aa9bfe0c8be78f530874e144d"
+content-hash = "66b33743d6d60809b48fd7626cd406e55c3d58e6218c3624a9069db7588f49d8"
diff --git a/servicex_app/pyproject.toml b/servicex_app/pyproject.toml
index a6cba54c..2c41572a 100644
--- a/servicex_app/pyproject.toml
+++ b/servicex_app/pyproject.toml
@@ -17,7 +17,7 @@ jinja2 = "^3.1.5"
 flask = "^2.3.3"
 werkzeug = "^3.0.6"
 flask-wtf = "^1.0.1"
-flask-cors = "^4.0.1"
+flask-cors = "^6.0.0"
 wtforms = "^3.0.1"
 email-validator = "^1.3.0"
 Celery = "^5.2.0"