diff --git a/pyproject.toml b/pyproject.toml
index 1b0c40acd3..d15ca21332 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -307,6 +307,10 @@ base = [
 ]
 
 
+[tool.uv]
+no-build-isolation-package = ["mmcv"]
+constraint-dependencies = ["setuptools<82"]
+
 [tool.ruff]
 line-length = 100
 exclude = [
diff --git a/uv.lock b/uv.lock
index 1347ddb20d..e2057977f3 100644
--- a/uv.lock
+++ b/uv.lock
@@ -24,6 +24,9 @@ resolution-markers = [
     "(python_full_version < '3.11' and platform_machine != 'aarch64' and sys_platform == 'linux') or (python_full_version < '3.11' and sys_platform != 'darwin' and sys_platform != 'linux' and sys_platform != 'win32')",
 ]
 
+[manifest]
+constraints = [{ name = "setuptools", specifier = "<82" }]
+
 [[package]]
 name = "absl-py"
 version = "2.4.0"
@@ -4995,7 +4998,6 @@ dependencies = [
     { name = "mmengine" },
     { name = "numpy", version = "2.2.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
     { name = "numpy", version = "2.3.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.11'" },
-    { name = "opencv-python" },
     { name = "packaging" },
     { name = "pillow" },
     { name = "pyyaml" },
@@ -9027,11 +9029,11 @@ wheels = [
 
 [[package]]
 name = "setuptools"
-version = "82.0.0"
+version = "81.0.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/82/f3/748f4d6f65d1756b9ae577f329c951cda23fb900e4de9f70900ced962085/setuptools-82.0.0.tar.gz", hash = "sha256:22e0a2d69474c6ae4feb01951cb69d515ed23728cf96d05513d36e42b62b37cb", size = 1144893, upload-time = "2026-02-08T15:08:40.206Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/0d/1c/73e719955c59b8e424d015ab450f51c0af856ae46ea2da83eba51cc88de1/setuptools-81.0.0.tar.gz", hash = "sha256:487b53915f52501f0a79ccfd0c02c165ffe06631443a886740b91af4b7a5845a", size = 1198299, upload-time = "2026-02-06T21:10:39.601Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e1/c6/76dc613121b793286a3f91621d7b75a2b493e0390ddca50f11993eadf192/setuptools-82.0.0-py3-none-any.whl", hash = "sha256:70b18734b607bd1da571d097d236cfcfacaf01de45717d59e6e04b96877532e0", size = 1003468, upload-time = "2026-02-08T15:08:38.723Z" },
+    { url = "https://files.pythonhosted.org/packages/e1/e3/c164c88b2e5ce7b24d667b9bd83589cf4f3520d97cad01534cd3c4f55fdb/setuptools-81.0.0-py3-none-any.whl", hash = "sha256:fdd925d5c5d9f62e4b74b30d6dd7828ce236fd6ed998a08d81de62ce5a6310d6", size = 1062021, upload-time = "2026-02-06T21:10:37.175Z" },
 ]
 
 [[package]]