diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index e8e005b1a..8b937c88f 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "types-aiofiles==25.1.0.20251011",
     "types-passlib==1.7.7.20241221",
     "types-simplejson==3.20.0.20250218",
-    "uvicorn==0.50.0",
+    "uvicorn==0.51.0",
 ]
 
 [tool.pytest.ini_options]
diff --git a/backend/uv.lock b/backend/uv.lock
index f092d4a90..8d783317e 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -458,7 +458,7 @@ requires-dist = [
     { name = "types-aiofiles", specifier = "==25.1.0.20251011" },
     { name = "types-passlib", specifier = "==1.7.7.20241221" },
     { name = "types-simplejson", specifier = "==3.20.0.20250218" },
-    { name = "uvicorn", specifier = "==0.50.0" },
+    { name = "uvicorn", specifier = "==0.51.0" },
 ]
 
 [package.metadata.requires-dev]
@@ -1771,15 +1771,15 @@ wheels = [
 
 [[package]]
 name = "uvicorn"
-version = "0.50.0"
+version = "0.51.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
     { name = "h11" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/2e/41/06cce5dbb9f77591512957710ac709e60b12e6216a2f2d0d607fd49706e8/uvicorn-0.50.0.tar.gz", hash = "sha256:0c92e1bc2259cb7faa4fcef774a5966588f2e88542744550b66799fba10b76f1", size = 93257, upload-time = "2026-07-04T05:03:26.33Z" }
+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" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a0/3a/eb70620ca2bf8213603d5c731460687c49fee38b0072f0b4a637781f0a53/uvicorn-0.50.0-py3-none-any.whl", hash = "sha256:05f0eb19edf38208f79f43df8a63081b48df31b0cd1e5997be957a4dc97d1b19", size = 72716, upload-time = "2026-07-04T05:03:24.848Z" },
+    { 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" },
 ]
 
 [[package]]