diff --git a/pyproject.toml b/pyproject.toml
index 16435f1..6071d56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
   "sentry-sdk[django]==2.47.0",
   "django-geojson==4.2.0",
   "azure-storage-blob==12.27.1",
-  "uvicorn[standard]==0.38.0",
+  "uvicorn[standard]==0.40.0",
   "uvicorn-worker==0.4.0",
   "orjson==3.11.5",
   "django-crispy-forms==2.5",
diff --git a/uv.lock b/uv.lock
index 6e07362..b48850a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1028,7 +1028,7 @@ requires-dist = [
     { name = "python-dotenv", specifier = "==1.2.1" },
     { name = "sentry-sdk", extras = ["django"], specifier = "==2.47.0" },
     { name = "unicodecsv", specifier = "==0.14.1" },
-    { name = "uvicorn", extras = ["standard"], specifier = "==0.38.0" },
+    { name = "uvicorn", extras = ["standard"], specifier = "==0.40.0" },
     { name = "uvicorn-worker", specifier = "==0.4.0" },
     { name = "whitenoise", extras = ["brotli"], specifier = "==6.11.0" },
 ]
@@ -1135,15 +1135,15 @@ wheels = [
 
 [[package]]
 name = "uvicorn"
-version = "0.38.0"
+version = "0.40.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
     { name = "h11" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/cb/ce/f06b84e2697fef4688ca63bdb2fdf113ca0a3be33f94488f2cadb690b0cf/uvicorn-0.38.0.tar.gz", hash = "sha256:fd97093bdd120a2609fc0d3afe931d4d4ad688b6e75f0f929fde1bc36fe0e91d", size = 80605, upload-time = "2025-10-18T13:46:44.63Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/c3/d1/8f3c683c9561a4e6689dd3b1d345c815f10f86acd044ee1fb9a4dcd0b8c5/uvicorn-0.40.0.tar.gz", hash = "sha256:839676675e87e73694518b5574fd0f24c9d97b46bea16df7b8c05ea1a51071ea", size = 81761, upload-time = "2025-12-21T14:16:22.45Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ee/d9/d88e73ca598f4f6ff671fb5fde8a32925c2e08a637303a1d12883c7305fa/uvicorn-0.38.0-py3-none-any.whl", hash = "sha256:48c0afd214ceb59340075b4a052ea1ee91c16fbc2a9b1469cca0e54566977b02", size = 68109, upload-time = "2025-10-18T13:46:42.958Z" },
+    { url = "https://files.pythonhosted.org/packages/3d/d8/2083a1daa7439a66f3a48589a57d576aa117726762618f6bb09fe3798796/uvicorn-0.40.0-py3-none-any.whl", hash = "sha256:c6c8f55bc8bf13eb6fa9ff87ad62308bbbc33d0b67f84293151efe87e0d5f2ee", size = 68502, upload-time = "2025-12-21T14:16:21.041Z" },
 ]
 
 [package.optional-dependencies]