diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index c07fe6c5..be14fa56 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==0.47.0",
+    "uvicorn==0.48.0",
 ]
 
 [tool.pytest.ini_options]
diff --git a/backend/uv.lock b/backend/uv.lock
index 50f9707c..dd024ab3 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -443,7 +443,7 @@ 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 = "==0.47.0" },
+    { name = "uvicorn", specifier = "==0.48.0" },
 ]
 
 [package.metadata.requires-dev]
@@ -1754,15 +1754,15 @@ wheels = [
 
 [[package]]
 name = "uvicorn"
-version = "0.47.0"
+version = "0.48.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
     { name = "h11" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/f6/b1/8e7077a8641086aea449e1b5752a570f1b5906c64e0a33cd6d93b63a066b/uvicorn-0.47.0.tar.gz", hash = "sha256:7c9a0ea1a9414106bbab7324609c162d8fa0cdcdcb703060987269d77c7bb533", size = 90582, upload-time = "2026-05-14T18:16:54.455Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e6/bf/f6544ba992ddb9a6077343a576f9844f7f8f06ab819aefd00206e9255f18/uvicorn-0.48.0.tar.gz", hash = "sha256:a5504207195d08c2511bf9125ede5ac4a4b71725d519e758d01dcf0bc2d31c37", size = 91074, upload-time = "2026-05-24T12:08:41.925Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/15/41/ac2dfdbc1f60c7af4f994c7a335cfa7040c01642b605d65f611cecc2a1e4/uvicorn-0.47.0-py3-none-any.whl", hash = "sha256:2c5715bc12d1892d84752049f400cd1c3cb018514967fdfeb97640443a6a9432", size = 71301, upload-time = "2026-05-14T18:16:51.762Z" },
+    { url = "https://files.pythonhosted.org/packages/01/be/72532be3da7acc5fdfbccdb95215cd04f995a0886532a5b423f929cda4cc/uvicorn-0.48.0-py3-none-any.whl", hash = "sha256:48097851328b87ec36117d3d575234519eb58c2b22d79666e9bbc6c49a761dad", size = 71410, upload-time = "2026-05-24T12:08:40.258Z" },
 ]
 
 [[package]]