diff --git a/pyproject.toml b/pyproject.toml
index 49ea7290a..8f1fb7b27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,6 +49,7 @@ dependencies = [
     "aiosqlite>=0.21.0",                              # server - for metadata store
     "asyncpg",                                        # for metadata store
     "sqlalchemy[asyncio]>=2.0.41",                    # server - for conversations
+    "starlette>=0.49.1",
 ]
 
 [project.optional-dependencies]
diff --git a/uv.lock b/uv.lock
index 4d88adb16..b4a3b7237 100644
--- a/uv.lock
+++ b/uv.lock
@@ -120,6 +120,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/aa/f3/0b6ced594e51cc95d8c1fc1640d3623770d01e4969d29c0bd09945fafefa/altair-5.5.0-py3-none-any.whl", hash = "sha256:91a310b926508d560fe0148d02a194f38b824122641ef528113d029fcd129f8c", size = 731200, upload-time = "2024-11-23T23:39:56.4Z" },
 ]
 
+[[package]]
+name = "annotated-doc"
+version = "0.0.4"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/57/ba/046ceea27344560984e26a590f90bc7f4a75b06701f653222458922b558c/annotated_doc-0.0.4.tar.gz", hash = "sha256:fbcda96e87e9c92ad167c2e53839e57503ecfda18804ea28102353485033faa4", size = 7288, upload-time = "2025-11-10T22:07:42.062Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/1e/d3/26bf1008eb3d2daa8ef4cacc7f3bfdc11818d111f7e2d0201bc6e3b49d45/annotated_doc-0.0.4-py3-none-any.whl", hash = "sha256:571ac1dc6991c450b25a9c2d84a3705e2ae7a53467b5d111c24fa8baabbed320", size = 5303, upload-time = "2025-11-10T22:07:40.673Z" },
+]
+
 [[package]]
 name = "annotated-types"
 version = "0.7.0"
@@ -920,16 +929,17 @@ wheels = [
 
 [[package]]
 name = "fastapi"
-version = "0.119.0"
+version = "0.121.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
+    { name = "annotated-doc" },
     { name = "pydantic" },
     { name = "starlette" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0a/f9/5c5bcce82a7997cc0eb8c47b7800f862f6b56adc40486ed246e5010d443b/fastapi-0.119.0.tar.gz", hash = "sha256:451082403a2c1f0b99c6bd57c09110ed5463856804c8078d38e5a1f1035dbbb7", size = 336756, upload-time = "2025-10-11T17:13:40.53Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/fb/48/f08f264da34cf160db82c62ffb335e838b1fc16cbcc905f474c7d4c815db/fastapi-0.121.2.tar.gz", hash = "sha256:ca8e932b2b823ec1721c641e3669472c855ad9564a2854c9899d904c2848b8b9", size = 342944, upload-time = "2025-11-13T17:05:54.692Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ce/70/584c4d7cad80f5e833715c0a29962d7c93b4d18eed522a02981a6d1b6ee5/fastapi-0.119.0-py3-none-any.whl", hash = "sha256:90a2e49ed19515320abb864df570dd766be0662c5d577688f1600170f7f73cf2", size = 107095, upload-time = "2025-10-11T17:13:39.048Z" },
+    { url = "https://files.pythonhosted.org/packages/eb/23/dfb161e91db7c92727db505dc72a384ee79681fe0603f706f9f9f52c2901/fastapi-0.121.2-py3-none-any.whl", hash = "sha256:f2d80b49a86a846b70cc3a03eb5ea6ad2939298bf6a7fe377aa9cd3dd079d358", size = 109201, upload-time = "2025-11-13T17:05:52.718Z" },
 ]
 
 [[package]]
@@ -1903,8 +1913,12 @@ requires-dist = [
     { name = "rich" },
     { name = "sqlalchemy", extras = ["asyncio"], specifier = ">=2.0.41" },
     { name = "starlette" },
+<<<<<<< HEAD
     { name = "streamlit", marker = "extra == 'ui'" },
     { name = "streamlit-option-menu", marker = "extra == 'ui'" },
+=======
+    { name = "starlette", specifier = ">=0.49.1" },
+>>>>>>> dc49ad3f (chore: bump starlette version (#4158))
     { name = "termcolor" },
     { name = "tiktoken" },
     { name = "uvicorn", specifier = ">=0.34.0" },
@@ -4514,15 +4528,15 @@ wheels = [
 
 [[package]]
 name = "starlette"
-version = "0.47.2"
+version = "0.49.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
     { name = "typing-extensions", marker = "python_full_version < '3.13'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/04/57/d062573f391d062710d4088fa1369428c38d51460ab6fedff920efef932e/starlette-0.47.2.tar.gz", hash = "sha256:6ae9aa5db235e4846decc1e7b79c4f346adf41e9777aebeb49dfd09bbd7023d8", size = 2583948, upload-time = "2025-07-20T17:31:58.522Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/de/1a/608df0b10b53b0beb96a37854ee05864d182ddd4b1156a22f1ad3860425a/starlette-0.49.3.tar.gz", hash = "sha256:1c14546f299b5901a1ea0e34410575bc33bbd741377a10484a54445588d00284", size = 2655031, upload-time = "2025-11-01T15:12:26.13Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f7/1f/b876b1f83aef204198a42dc101613fefccb32258e5428b5f9259677864b4/starlette-0.47.2-py3-none-any.whl", hash = "sha256:c5847e96134e5c5371ee9fac6fdf1a67336d5815e09eb2a01fdb57a351ef915b", size = 72984, upload-time = "2025-07-20T17:31:56.738Z" },
+    { url = "https://files.pythonhosted.org/packages/a3/e0/021c772d6a662f43b63044ab481dc6ac7592447605b5b35a957785363122/starlette-0.49.3-py3-none-any.whl", hash = "sha256:b579b99715fdc2980cf88c8ec96d3bf1ce16f5a8051a7c2b84ef9b1cdecaea2f", size = 74340, upload-time = "2025-11-01T15:12:24.387Z" },
 ]
 
 [[package]]