diff --git a/backend/requirements-lock.txt b/backend/requirements-lock.txt
index 76a457d..d123802 100644
--- a/backend/requirements-lock.txt
+++ b/backend/requirements-lock.txt
@@ -327,7 +327,7 @@ python-dotenv==1.2.2
     # via
     #   pydantic-settings
     #   uvicorn
-python-multipart==0.0.22
+python-multipart==0.0.27
     # via -r requirements.txt
 pytz==2026.2
     # via
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 53a618a..70a8eb2 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
 fastapi>=0.100.0
 starlette>=0.41.3,<1.0
 uvicorn[standard]>=0.20.0
-python-multipart>=0.0.6
+python-multipart>=0.0.27
 pydantic>=2.0.0
 pydantic-settings>=2.0.0