diff --git a/example/pyproject.toml b/example/pyproject.toml
index 4228809..9fbed02 100644
--- a/example/pyproject.toml
+++ b/example/pyproject.toml
@@ -5,7 +5,7 @@ dependencies = [
   "connect-python",
   "flask==3.1.2",
   "protobuf>=5.28",
-  "starlette==0.51.0",
+  "starlette==0.52.1",
 ]
 
 [build-system]
diff --git a/uv.lock b/uv.lock
index 2e97a50..a09161e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -440,7 +440,7 @@ requires-dist = [
     { name = "connect-python", editable = "." },
     { name = "flask", specifier = "==3.1.2" },
     { name = "protobuf", specifier = ">=5.28" },
-    { name = "starlette", specifier = "==0.51.0" },
+    { name = "starlette", specifier = "==0.52.1" },
 ]
 
 [[package]]
@@ -1902,15 +1902,15 @@ wheels = [
 
 [[package]]
 name = "starlette"
-version = "0.51.0"
+version = "0.52.1"
 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/e7/65/5a1fadcc40c5fdc7df421a7506b79633af8f5d5e3a95c3e72acacec644b9/starlette-0.51.0.tar.gz", hash = "sha256:4c4fda9b1bc67f84037d3d14a5112e523509c369d9d47b111b2f984b0cc5ba6c", size = 2647658, upload-time = "2026-01-10T20:23:15.043Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/c4/68/79977123bb7be889ad680d79a40f339082c1978b5cfcf62c2d8d196873ac/starlette-0.52.1.tar.gz", hash = "sha256:834edd1b0a23167694292e94f597773bc3f89f362be6effee198165a35d62933", size = 2653702, upload-time = "2026-01-18T13:34:11.062Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/18/c4/09985a03dba389d4fe16a9014147a7b02fa76ef3519bf5846462a485876d/starlette-0.51.0-py3-none-any.whl", hash = "sha256:fb460a3d6fd3c958d729fdd96aee297f89a51b0181f16401fe8fd4cb6129165d", size = 74133, upload-time = "2026-01-10T20:23:13.445Z" },
+    { url = "https://files.pythonhosted.org/packages/81/0d/13d1d239a25cbfb19e740db83143e95c772a1fe10202dda4b76792b114dd/starlette-0.52.1-py3-none-any.whl", hash = "sha256:0029d43eb3d273bc4f83a08720b4912ea4b071087a3b48db01b7c839f7954d74", size = 74272, upload-time = "2026-01-18T13:34:09.188Z" },
 ]
 
 [[package]]