diff --git a/pyproject.toml b/pyproject.toml
index 4925e603d..f691f2117 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "pydantic>=2.12.0; python_version >= '3.14'",
     "pydantic>=2.11.0; python_version < '3.14'",
     "starlette>=0.48.0; python_version >= '3.14'",
-    "starlette>=0.27; python_version < '3.14'",
+    "starlette>=0.40.0; python_version < '3.14'",
     "python-multipart>=0.0.9",
     "sse-starlette>=1.6.1",
     "pydantic-settings>=2.5.2",
@@ -67,6 +67,8 @@ dev = [
     "dirty-equals>=0.9.0",
     "coverage[toml]>=7.13.1",
     "pillow>=12.0",
+    "typer>=0.16.0",
+    "websockets>=15.0.1",
 ]
 docs = [
     "mkdocs>=1.6.1",
diff --git a/uv.lock b/uv.lock
index d2a515863..36ef054ee 100644
--- a/uv.lock
+++ b/uv.lock
@@ -765,6 +765,8 @@ dev = [
     { name = "pytest-xdist" },
     { name = "ruff" },
     { name = "trio" },
+    { name = "typer" },
+    { name = "websockets" },
 ]
 docs = [
     { name = "mkdocs" },
@@ -788,7 +790,7 @@ requires-dist = [
     { name = "pywin32", marker = "sys_platform == 'win32'", specifier = ">=311" },
     { name = "rich", marker = "extra == 'rich'", specifier = ">=13.9.4" },
     { name = "sse-starlette", specifier = ">=1.6.1" },
-    { name = "starlette", marker = "python_full_version < '3.14'", specifier = ">=0.27" },
+    { name = "starlette", marker = "python_full_version < '3.14'", specifier = ">=0.40.0" },
     { name = "starlette", marker = "python_full_version >= '3.14'", specifier = ">=0.48.0" },
     { name = "typer", marker = "extra == 'cli'", specifier = ">=0.16.0" },
     { name = "typing-extensions", specifier = ">=4.9.0" },
@@ -812,6 +814,8 @@ dev = [
     { name = "pytest-xdist", specifier = ">=3.6.1" },
     { name = "ruff", specifier = ">=0.8.5" },
     { name = "trio", specifier = ">=0.26.2" },
+    { name = "typer", specifier = ">=0.16.0" },
+    { name = "websockets", specifier = ">=15.0.1" },
 ]
 docs = [
     { name = "mkdocs", specifier = ">=1.6.1" },