diff --git a/pyproject.toml b/pyproject.toml
index 75bc966..11c6462 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     "intel-sgx-ra>=2.3.1,<2.4.0",
     "hypercorn[uvloop]>=0.17.3,<0.18.0",
     "h2>=4.1.0,<4.2.0",
-    "uvicorn[standard]>=0.34.0,<1.0.0",
+    "uvicorn[standard] @ git+https://github.com/encode/uvicorn.git@f50dddb0b70779f2a2e3460349452e6610c21189",
     "cenclave-lib-crypto>=1.0.0,<1.1.0"
 ]
 dynamic = ["version"]
diff --git a/src/cenclave_lib_sgx/cli.py b/src/cenclave_lib_sgx/cli.py
index 3158f91..68e0432 100644
--- a/src/cenclave_lib_sgx/cli.py
+++ b/src/cenclave_lib_sgx/cli.py
@@ -293,7 +293,7 @@ def run() -> None:
             loop="uvloop",
             workers=1,
             ssl_certfile=cast(Path, config_map["certfile"]),
-            ssl_keyfile=cast(Path, config_map["keyfile"]),
+            ssl_keyfile=cast(str, f"{config_map['keyfile']}"),
             ssl_ca_certs=cast(str, config_map["ca_certs"]),
             ssl_cert_reqs=cast(int, config_map["verify_mode"]),
         )