diff --git a/pyproject.toml b/pyproject.toml
index 844e22a..d6d7d9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ requires-python = ">=3.12,<3.13"
 dependencies = [
     # API
     "fastapi[standard]>=0.115",
-    "python-multipart>=0.0.9",
+    "python-multipart>=0.0.27",
     # Hashing / image utilities (lightweight, used by API search + worker)
     "imagehash>=4.3",
     "Pillow>=10.0",
diff --git a/uv.lock b/uv.lock
index a128de6..e0f21c5 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1443,7 +1443,7 @@ requires-dist = [
     { name = "pillow", specifier = ">=10.0" },
     { name = "prometheus-fastapi-instrumentator", specifier = ">=7.0" },
     { name = "pydantic-settings", specifier = ">=2.0" },
-    { name = "python-multipart", specifier = ">=0.0.9" },
+    { name = "python-multipart", specifier = ">=0.0.27" },
     { name = "scikit-learn", marker = "extra == 'ml'", specifier = ">=1.4" },
     { name = "scipy", marker = "extra == 'ml'", specifier = ">=1.12" },
     { name = "sentry-sdk", extras = ["fastapi", "sqlalchemy"], specifier = ">=2.0" },
@@ -1882,11 +1882,11 @@ wheels = [
 
 [[package]]
 name = "python-multipart"
-version = "0.0.22"
+version = "0.0.27"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/94/01/979e98d542a70714b0cb2b6728ed0b7c46792b695e3eaec3e20711271ca3/python_multipart-0.0.22.tar.gz", hash = "sha256:7340bef99a7e0032613f56dc36027b959fd3b30a787ed62d310e951f7c3a3a58", size = 37612, upload-time = "2026-01-25T10:15:56.219Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/69/9b/f23807317a113dc36e74e75eb265a02dd1a4d9082abc3c1064acd22997c4/python_multipart-0.0.27.tar.gz", hash = "sha256:9870a6a8c5a20a5bf4f07c017bd1489006ff8836cff097b6933355ee2b49b602", size = 44043, upload-time = "2026-04-27T10:51:26.649Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/1b/d0/397f9626e711ff749a95d96b7af99b9c566a9bb5129b8e4c10fc4d100304/python_multipart-0.0.22-py3-none-any.whl", hash = "sha256:2b2cd894c83d21bf49d702499531c7bafd057d730c201782048f7945d82de155", size = 24579, upload-time = "2026-01-25T10:15:54.811Z" },
+    { url = "https://files.pythonhosted.org/packages/99/78/4126abcbdbd3c559d43e0db7f7b9173fc6befe45d39a2856cc0b8ec2a5a6/python_multipart-0.0.27-py3-none-any.whl", hash = "sha256:6fccfad17a27334bd0193681b369f476eda3409f17381a2d65aa7df3f7275645", size = 29254, upload-time = "2026-04-27T10:51:24.997Z" },
 ]
 
 [[package]]