diff --git a/pyproject.toml b/pyproject.toml
index ddc2ab6..0db9eb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,17 +8,16 @@ exclude = ["examples*", "tests"]
 include = ["scripts/*"]
 
 [tool.poetry.dependencies]
-python = ">=3.8, <3.11"
-jsonschema = ">=4.5.1"
+python = "^3.9"
 aiofile = "^3.8.2"
 fastapi = "^0.100.0"
 pydantic = "^2.0.0"
 uvicorn = "^0.21.0"
 nanoid = "^2.0.0"
 gradio = "^4.0.0"
-tritonclient = {extras = ["http"], version = "^2.45.0"}
-opencv-python-headless = "4.8.1.78"
 requests = "^2.28.0"
+opencv-python-headless = "^4.5.3.56"
+tritonclient = {version = "^2.17.0", extras = ["http"]}
 
 [tool.poetry.group.test]
 optional = true
@@ -39,7 +38,6 @@ torchvision = {version = "0.14.0", source = "torch-cu117"}
 lungmask = "^0.2.20"
 monai = {version = "~1.1.0", extras = ["einops"]}
 ultralytics = "^8.2.16"
-opencv-python-headless = "4.8.1.78"
 
 [tool.poetry.group.cls_example]
 optional = true
@@ -53,7 +51,6 @@ optional = true
 
 [tool.poetry.group.det_example.dependencies]
 ultralytics = "^8.2.16"
-opencv-python-headless = "4.8.1.78"
 
 [tool.poetry.group.reg_example]
 optional = true
@@ -85,6 +82,7 @@ optional = true
 pre-commit = "^3.5.0"
 ipykernel = "^6.29.4"
 
+
 [[tool.poetry.source]]
 name = "torch-cu117"
 url = "https://download.pytorch.org/whl/cu117"