diff --git a/inboard/types.py b/inboard/types.py
index 26e2fc6..6dfd087 100644
--- a/inboard/types.py
+++ b/inboard/types.py
@@ -136,7 +136,7 @@ class UvicornOptions(TypedDict, total=False):
     limit_max_requests: int | None
     timeout_keep_alive: int
     timeout_graceful_shutdown: int | None
-    ssl_keyfile: str | PathLike[str] | None
+    ssl_keyfile: str | None
     ssl_certfile: str | PathLike[str] | None
     ssl_keyfile_password: str | None
     ssl_version: int
diff --git a/pyproject.toml b/pyproject.toml
index 63f1d46..551d5f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
 ]
 dependencies = [
   "gunicorn==22.0.0",
-  "uvicorn==0.34.0",
+  "uvicorn==0.28.1",
 ]
 description = "Docker images and utilities to power your Python APIs and help you ship faster."
 dynamic = ["version"]
@@ -56,12 +56,12 @@ tests = [
   "trustme>=1.2,<2",
 ]
 uvicorn-fast = [
-  "httptools>=0.6.3",
+  "httptools>=0.5.0",
   "uvloop>=0.14.0,!=0.15.0,!=0.15.1; sys_platform != 'win32' and (sys_platform != 'cygwin' and platform_python_implementation != 'PyPy')",
   "websockets>=10.4",
 ]
 uvicorn-standard = [
-  "uvicorn[standard]==0.34.0",
+  "uvicorn[standard]==0.28.1",
 ]
 
 [project.urls]