diff --git a/app/server.py b/app/server.py
index 3a3ba0f..1f42f00 100644
--- a/app/server.py
+++ b/app/server.py
@@ -22,7 +22,7 @@
 
 openapi_args = dict(
     title="Workflow runner",
-    version="1.6.5",
+    version="1.6.6",
     terms_of_service="",
     translator_component="ARA",
     translator_teams=["Standards Reference Implementation Team"],
diff --git a/requirements-lock.txt b/requirements-lock.txt
index ade358e..9ec95d8 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -2,14 +2,16 @@ anyio==3.5.0
 certifi==2021.10.8
 click==7.1.2
 fastapi==0.75.0
+gunicorn==21.2.0
 h11==0.14.0
 httpcore==0.16.3
 httpx==0.24.1
 idna==3.3
+packaging==23.2
 pydantic==1.9.0
 reasoner-pydantic==4.1.3
 rfc3986==1.5.0
 sniffio==1.2.0
 starlette==0.17.1
 typing_extensions==4.1.1
-uvicorn==0.13.3
+uvicorn==0.22.0
diff --git a/requirements.txt b/requirements.txt
index 289517e..81ee91b 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 fastapi==0.75.0
+gunicorn==21.2.0
 httpx==0.24.1
 reasoner-pydantic==4.1.3
-uvicorn==0.13.3
+uvicorn==0.22.0