diff --git a/pyproject.toml b/pyproject.toml
index 3274231..18b3cd4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ description = "The phone agent that refuses to guess: verified-by-phone answers
 requires-python = ">=3.12"
 dependencies = [
     "fastapi>=0.140.6",
-    "uvicorn[standard]>=0.51.0",
+    "uvicorn[standard]>=0.52.4",
     "pydantic>=2.8",
     "httpx>=0.27",
     "calle-ai>=0.2.0",
diff --git a/uv.lock b/uv.lock
index 956974b..48faa46 100644
--- a/uv.lock
+++ b/uv.lock
@@ -109,7 +109,7 @@ requires-dist = [
     { name = "httpx", specifier = ">=0.27" },
     { name = "matplotlib", specifier = ">=3.11.1" },
     { name = "pydantic", specifier = ">=2.8" },
-    { name = "uvicorn", extras = ["standard"], specifier = ">=0.51.0" },
+    { name = "uvicorn", extras = ["standard"], specifier = ">=0.52.4" },
 ]
 
 [package.metadata.requires-dev]
@@ -1231,15 +1231,15 @@ wheels = [
 
 [[package]]
 name = "uvicorn"
-version = "0.51.0"
+version = "0.52.4"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
     { name = "h11" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/a2/65/b7c6c443ccc58678c91e1e973bbe2a878591538655d6e1d47f24ba1c51f3/uvicorn-0.51.0.tar.gz", hash = "sha256:f6f4b69b657c312f516dd2d268ab9ae6f254b11e4bac504f37b2ab58b24dd0b0", size = 94412, upload-time = "2026-07-08T10:59:05.962Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f2/0f/3f86e61397dd33bf2ccf28188c40db6a740658aeebbbf6e7dbc101a1f487/uvicorn-0.52.4.tar.gz", hash = "sha256:73acfee47a0b133c5de13d219492d62d8a31e935f4fe6e41a232451a15379f86", size = 100627, upload-time = "2026-08-19T06:27:41.821Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/45/ec/dbb7e5a6b91f86bfb9eb7d2988a2730907b6a729875b949c7f022e8b88fa/uvicorn-0.51.0-py3-none-any.whl", hash = "sha256:5d38af6cd620f2ae3849fb44fd4879e0890aa1febe8d47eb355fb45d93fe6a5b", size = 73219, upload-time = "2026-07-08T10:59:04.44Z" },
+    { url = "https://files.pythonhosted.org/packages/f1/79/4a20b54ab0491485ccd8c077db2d39187c7f12b3e15485d38a7be37c81b4/uvicorn-0.52.4-py3-none-any.whl", hash = "sha256:f86e41a149d7d05a9969337e3946a9c171c06a5d42680896daaba624aeac8da1", size = 79871, upload-time = "2026-08-19T06:27:40.36Z" },
 ]
 
 [package.optional-dependencies]