diff --git a/pyproject.toml b/pyproject.toml
index 575515f..06326fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dev = [
     "ruff>=0.15.17",
     "pydantic>=2.13.4",
     "httpx>=0.28.1",
-    "fastapi>=0.137.0",
+    "fastapi>=0.138.0",
 ]
 
 # Example dependency groups
@@ -31,7 +31,7 @@ django = [
     "Django>=4.2,<5",
 ]
 fastapi = [
-    "fastapi>=0.137.0",
+    "fastapi>=0.138.0",
     "pydantic>=2.13.4",
     "uvicorn[standard]>=0.49.0",
 ]
diff --git a/uv.lock b/uv.lock
index 54d5eb3..69116ba 100644
--- a/uv.lock
+++ b/uv.lock
@@ -201,7 +201,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "fastapi", specifier = ">=0.137.0" },
+    { name = "fastapi", specifier = ">=0.138.0" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "pydantic", specifier = ">=2.13.4" },
     { name = "pytest", specifier = ">=9.1.1,<10" },
@@ -210,13 +210,13 @@ dev = [
 django = [{ name = "django", specifier = ">=4.2,<5" }]
 examples = [
     { name = "django", specifier = ">=4.2,<5" },
-    { name = "fastapi", specifier = ">=0.137.0" },
+    { name = "fastapi", specifier = ">=0.138.0" },
     { name = "flask", specifier = ">=3.1.2,<4" },
     { name = "pydantic", specifier = ">=2.13.4" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.49.0" },
 ]
 fastapi = [
-    { name = "fastapi", specifier = ">=0.137.0" },
+    { name = "fastapi", specifier = ">=0.138.0" },
     { name = "pydantic", specifier = ">=2.13.4" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.49.0" },
 ]
@@ -224,7 +224,7 @@ flask = [{ name = "flask", specifier = ">=3.1.2,<4" }]
 
 [[package]]
 name = "fastapi"
-version = "0.137.0"
+version = "0.138.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "annotated-doc" },
@@ -233,9 +233,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "typing-inspection" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/da/fe/fb25c287ff7e0f79fc6acf2e8b812725dad28d2a1446c0410bab1422ac90/fastapi-0.137.0.tar.gz", hash = "sha256:d0565d551f65a803ecff245390840867186f456ef98971f750724eed16e1541c", size = 408023, upload-time = "2026-06-14T12:51:30.672Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/5b/58/ff455d9fe47c60abadb34b9e05a304b1f05f5ab8000ac01565156b6f5e43/fastapi-0.138.0.tar.gz", hash = "sha256:d445a4877636ad191e7053e08c9bf98cb921a6756776848400bb773d1740c061", size = 419240, upload-time = "2026-06-20T01:18:05.259Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e7/f1/b38481428e50131e5345b535414d11d196f14990122fe69c9020c64e5683/fastapi-0.137.0-py3-none-any.whl", hash = "sha256:6dcbde8d464f92117c1accb9e42720f8e423fa9b86cb563b1f5862f785a06498", size = 121777, upload-time = "2026-06-14T12:51:29.067Z" },
+    { url = "https://files.pythonhosted.org/packages/6c/ff/8496d9847a5fedae775eb49460722d3efaa80487854273e9647ae876218c/fastapi-0.138.0-py3-none-any.whl", hash = "sha256:b6f54fd1bd72c80b0f899f172c61a600f6f7af9b43d4d772a018f35624048cb0", size = 126779, upload-time = "2026-06-20T01:18:03.483Z" },
 ]
 
 [[package]]