diff --git a/pyproject.toml b/pyproject.toml
index c8052cbcb..32a23f5ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
     "click==8.*",
     "deepmerge==2.0",
     "deprecated>=1.2.18",
-    "fastapi~=0.120.4",
+    "fastapi~=0.121.1",
     "fastapi-etag==0.4.0",
     "itsdangerous>=2.2.0",
     "jinja2==3.1.6",
diff --git a/uv.lock b/uv.lock
index afd0ef1c2..ca3b47d19 100644
--- a/uv.lock
+++ b/uv.lock
@@ -803,7 +803,7 @@ wheels = [
 
 [[package]]
 name = "fastapi"
-version = "0.120.4"
+version = "0.121.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "annotated-doc" },
@@ -811,9 +811,9 @@ dependencies = [
     { name = "starlette" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/3f/3a/0bf90d5189d7f62dc2bd0523899629ca59b58ff4290d631cd3bb5c8889d4/fastapi-0.120.4.tar.gz", hash = "sha256:2d856bc847893ca4d77896d4504ffdec0fb04312b705065fca9104428eca3868", size = 339716, upload-time = "2025-10-31T18:37:28.81Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/6b/a4/29e1b861fc9017488ed02ff1052feffa40940cb355ed632a8845df84ce84/fastapi-0.121.1.tar.gz", hash = "sha256:b6dba0538fd15dab6fe4d3e5493c3957d8a9e1e9257f56446b5859af66f32441", size = 342523, upload-time = "2025-11-08T21:48:14.068Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ed/47/14a76b926edc3957c8a8258423db789d3fa925d2fed800102fce58959413/fastapi-0.120.4-py3-none-any.whl", hash = "sha256:9bdf192308676480d3593e10fd05094e56d6fdc7d9283db26053d8104d5f82a0", size = 108235, upload-time = "2025-10-31T18:37:27.038Z" },
+    { url = "https://files.pythonhosted.org/packages/94/fd/2e6f7d706899cc08690c5f6641e2ffbfffe019e8f16ce77104caa5730910/fastapi-0.121.1-py3-none-any.whl", hash = "sha256:2c5c7028bc3a58d8f5f09aecd3fd88a000ccc0c5ad627693264181a3c33aa1fc", size = 109192, upload-time = "2025-11-08T21:48:12.458Z" },
 ]
 
 [[package]]
@@ -2101,7 +2101,7 @@ requires-dist = [
     { name = "click", specifier = "==8.*" },
     { name = "deepmerge", specifier = "==2.0" },
     { name = "deprecated", specifier = ">=1.2.18" },
-    { name = "fastapi", specifier = "~=0.120.4" },
+    { name = "fastapi", specifier = "~=0.121.1" },
     { name = "fastapi-etag", specifier = "==0.4.0" },
     { name = "itsdangerous", specifier = ">=2.2.0" },
     { name = "jinja2", specifier = "==3.1.6" },