diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 249fb7e..407b9db 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
     "litellm>=1.55.0",
     "aioimaplib>=2.0.0",
     "html2text>=2024.0.0",
-    "python-multipart>=0.0.18",
+    "python-multipart>=0.0.26",
     "python-dotenv>=1.0.0",
     "apscheduler>=4.0.0a1",
     "email-validator>=2.0.0",