diff --git a/pyproject.toml b/pyproject.toml
index ad7b4d9de..1f6b1d482 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "click>=8.4.2",
     "commentjson==0.9.0",
     "cryptography==49.0.0",
-    "fastapi>=0.139.2",
+    "fastapi>=0.140.0",
     "jdatetime>=6.0.1",
     "psutil>=7.2.2",
     "pydantic>=2.13.4",
diff --git a/uv.lock b/uv.lock
index ac29e75f6..539d9de56 100644
--- a/uv.lock
+++ b/uv.lock
@@ -435,7 +435,7 @@ sdist = { url = "https://files.pythonhosted.org/packages/a2/55/8f8cab2afd404cf57
 
 [[package]]
 name = "fastapi"
-version = "0.139.2"
+version = "0.140.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "annotated-doc" },
@@ -444,9 +444,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "typing-inspection" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/cd/95/d3f0ae10836324a2eab98a52b61210ac609f08200bf4bb0dc8132d32f78a/fastapi-0.139.2.tar.gz", hash = "sha256:333145a6891e9b5b3cfceb69baf817e8240cde4d4588ae5a10bf56ffacb6255e", size = 423428, upload-time = "2026-07-16T15:06:17.912Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/0d/fb/fd7671137d9fa3df1d93a2f5111eb982709201724b29f211e4beb2d58688/fastapi-0.140.0.tar.gz", hash = "sha256:f338951b82fd74ca8f843163aec43ea1a1ce84d515415a50fa98fa25572a5544", size = 420968, upload-time = "2026-07-24T21:16:41.187Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/5f/c7/cb03251d9dfb177246a9809a76f189d21df32dbd4a845951881d11323b7f/fastapi-0.139.2-py3-none-any.whl", hash = "sha256:b9ad015a835173d59865e2f5d8296fbc2b317bf56a2ba1a5bfbdd03de2fd4b1c", size = 130234, upload-time = "2026-07-16T15:06:19.557Z" },
+    { url = "https://files.pythonhosted.org/packages/eb/76/6d9e25ad88da9d3ff744bcdbec4736e38c2288611d43f673a5d9bfa27c07/fastapi-0.140.0-py3-none-any.whl", hash = "sha256:e951c0a0d9540bf5d9a2a9e078fd415da2ab7e312d435139e7d9e2e7fe9f0b23", size = 130863, upload-time = "2026-07-24T21:16:42.89Z" },
 ]
 
 [[package]]
@@ -863,7 +863,7 @@ requires-dist = [
     { name = "commentjson", specifier = "==0.9.0" },
     { name = "cryptography", specifier = "==49.0.0" },
     { name = "deprecated", specifier = "==1.2.13" },
-    { name = "fastapi", specifier = ">=0.139.2" },
+    { name = "fastapi", specifier = ">=0.140.0" },
     { name = "jdatetime", specifier = ">=6.0.1" },
     { name = "jinja2", specifier = ">=3.1.6" },
     { name = "nats-py", specifier = ">=2.15.0" },