diff --git a/pyproject.toml b/pyproject.toml
index 5a4e5f1..a3227f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ dependencies = [
     "openai==2.37.0",     # Used for the async vLLM client
     "pymupdf==1.27.2.3",    # Replaces pdf2image/poppler
     "pillow==12.2.0",
-    "python-multipart==0.0.29",
+    "python-multipart==0.0.31",
     "requests==2.34.2",
     "jinja2==3.1.6",
     "python-dotenv==1.2.2",
diff --git a/uv.lock b/uv.lock
index 39d3533..07d49fe 100644
--- a/uv.lock
+++ b/uv.lock
@@ -412,7 +412,7 @@ requires-dist = [
     { name = "pillow", specifier = "==12.2.0" },
     { name = "pymupdf", specifier = "==1.27.2.3" },
     { name = "python-dotenv", specifier = "==1.2.2" },
-    { name = "python-multipart", specifier = "==0.0.29" },
+    { name = "python-multipart", specifier = "==0.0.31" },
     { name = "requests", specifier = "==2.34.2" },
     { name = "uvicorn", extras = ["standard"], specifier = "==0.47.0" },
 ]
@@ -779,11 +779,11 @@ wheels = [
 
 [[package]]
 name = "python-multipart"
-version = "0.0.29"
+version = "0.0.31"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/4e/fe/70bd71a6738b09a0bdf6480ca6436b167469ca4578b2a0efbe390b4b0e70/python_multipart-0.0.29.tar.gz", hash = "sha256:643e93849196645e2dbdd81a0f8829a23123ad7f797a84a364c6fb3563f18904", size = 45678, upload-time = "2026-05-17T17:29:47.654Z" }
+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/8f/cb/769cfc37177252872a45a71f3fbdde9d51b471a3f3c14bfe95dde3407386/python_multipart-0.0.29-py3-none-any.whl", hash = "sha256:2ddcc971cef266225f54f552d8fa10bcfbb1f14446caec199060daac59ff2d69", size = 29640, upload-time = "2026-05-17T17:29:45.69Z" },
+    { 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]]