Update pyproject.toml

Author: eadwinCode

pyproject.toml

@@ -50,7 +50,8 @@ dependencies = [
     "typer >=0.6.1,<0.7.0",
     # exclude 0.11.2 and 0.11.3 due to https://github.com/sdispater/tomlkit/issues/225
     "tomlkit >=0.11.1,<1.0.0,!=0.11.2,!=0.11.3",
-    "uvicorn[standard] >=0.12.0",
+    "uvicorn[standard] >=0.12.0; python_version < '3.7'",
+    "uvicorn[standard] ==0.18.3; python_version >= '3.7'"
     "requests >= 2.24.0; python_version < '3.7'",
     "httpx >= 0.22.0; python_version >= '3.7'",
 ]