https://github.com/encode/uvicorn/pull/2439

--- uvicorn-0.39.0/pyproject.toml.orig
+++ uvicorn-0.39.0/pyproject.toml
@@ -66,6 +66,7 @@
     "coverage-conditional-plugin==0.9.0",
     "coverage-enable-subprocess==1.0",
     "httpx==0.28.1",
+    "anyio",
     # check dist
     "twine==6.1.0",
     # Explicit optionals,