diff --git a/Chapter03/reservation-service/uv.lock b/Chapter03/reservation-service/uv.lock
index 5a95e3b..a7927cc 100644
--- a/Chapter03/reservation-service/uv.lock
+++ b/Chapter03/reservation-service/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.13"
 
 [[package]]
@@ -594,11 +594,11 @@ wheels = [
 
 [[package]]
 name = "python-multipart"
-version = "0.0.21"
+version = "0.0.31"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/78/96/804520d0850c7db98e5ccb70282e29208723f0964e88ffd9d0da2f52ea09/python_multipart-0.0.21.tar.gz", hash = "sha256:7137ebd4d3bbf70ea1622998f902b97a29434a9e8dc40eb203bbcf7c2a2cba92", size = 37196, upload-time = "2025-12-17T09:24:22.446Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/64/7e/9b35ad8f3d9ca680f7c87a88f19612fdd8da9796c4d3b46e560ac79dcc4a/python_multipart-0.0.31.tar.gz", hash = "sha256:fc631183bb13e56db3158a4909908dfb2e23565286744e798241e63750e5d680", size = 46689, upload-time = "2026-06-04T08:27:49.014Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/aa/76/03af049af4dcee5d27442f71b6924f01f3efb5d2bd34f23fcd563f2cc5f5/python_multipart-0.0.21-py3-none-any.whl", hash = "sha256:cf7a6713e01c87aa35387f4774e812c4361150938d20d232800f75ffcf266090", size = 24541, upload-time = "2025-12-17T09:24:21.153Z" },
+    { url = "https://files.pythonhosted.org/packages/5e/1e/7f7f299527a5a8ad90acd5f2f78dfa6c8495c6301a3205106ea68a84de96/python_multipart-0.0.31-py3-none-any.whl", hash = "sha256:8408153d68a9773291fc1da39a8b85a50044bddbabd2dd72e9229776b7b15e28", size = 29996, upload-time = "2026-06-04T08:27:47.804Z" },
 ]
 
 [[package]]