diff --git a/pyproject.toml b/pyproject.toml
index cab849dc755..43b69154d80 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,7 +110,7 @@ dependencies = [
   # FastAPI's UploadFile/Form depend on python-multipart; it is NOT pulled in
   # by fastapi itself, so the dashboard's multipart upload endpoint would 500
   # without an explicit dependency here (and in the `web` extra below).
-  "python-multipart>=0.0.9,<1",
+  "python-multipart<1,>=0.0.9",
   "ptyprocess>=0.7.0,<1; sys_platform != 'win32'",
   "pywinpty>=2.0.0,<3; sys_platform == 'win32'",
   # Image resize recovery for the vision tools. Pillow shrinks oversized images
@@ -258,7 +258,7 @@ youtube = [
 # `hermes dashboard` (localhost SPA + API).  Not in core to keep the default install lean.
 # starlette==1.0.1 pinned for CVE-2026-48710 (BadHost) — fastapi pulls Starlette
 # transitively and pre-1.0.1 is the vulnerable range. See the mcp extra above.
-web = ["fastapi==0.133.1", "uvicorn[standard]==0.41.0", "starlette==1.0.1", "python-multipart==0.0.27"]
+web = ["fastapi==0.133.1", "uvicorn[standard]==0.41.0", "starlette==1.0.1", "python-multipart==0.0.31"]
 all = [
   # Policy (2026-05-12): `[all]` includes only extras that genuinely
   # CAN'T be lazy-installed via `tools/lazy_deps.py` — i.e. things every
diff --git a/uv.lock b/uv.lock
index 095b7563311..eb9d9ab509a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1713,7 +1713,7 @@ requires-dist = [
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = "==1.3.0" },
     { name = "python-dotenv", specifier = "==1.2.2" },
     { name = "python-multipart", specifier = ">=0.0.9,<1" },
-    { name = "python-multipart", marker = "extra == 'web'", specifier = "==0.0.27" },
+    { name = "python-multipart", marker = "extra == 'web'", specifier = "==0.0.31" },
     { name = "python-telegram-bot", extras = ["webhooks"], marker = "extra == 'messaging'", specifier = "==22.6" },
     { name = "python-telegram-bot", extras = ["webhooks"], marker = "extra == 'termux'", specifier = "==22.6" },
     { name = "pywinpty", marker = "sys_platform == 'win32'", specifier = ">=2.0.0,<3" },
@@ -3317,11 +3317,11 @@ wheels = [
 
 [[package]]
 name = "python-multipart"
-version = "0.0.27"
+version = "0.0.31"
 source = { registry = "https://pypi.org/simple" }
-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" }
+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/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" },
+    { 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]]