diff --git a/pkgs/development/python-modules/trio/default.nix b/pkgs/development/python-modules/trio/default.nix
index a29bcd842401..f9cc2f20e19c 100644
--- a/pkgs/development/python-modules/trio/default.nix
+++ b/pkgs/development/python-modules/trio/default.nix
@@ -18,7 +18,6 @@
 
   # tests
   astor,
-  coreutils,
   jedi,
   pyopenssl,
   pytestCheckHook,
@@ -36,7 +35,7 @@ let
 in
 buildPythonPackage rec {
   pname = "trio";
-  version = "0.26.2";
+  version = "0.27.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -45,7 +44,7 @@ buildPythonPackage rec {
     owner = "python-trio";
     repo = "trio";
     rev = "refs/tags/v${version}";
-    hash = "sha256-Vlm6lEMKKfwmhbeefPjxm3vz1zFRUEGOCHXLcZKQcIo=";
+    hash = "sha256-VJVGMhoLISCtNh56E7ssKXBPh4/WvUbFyKUbnWvqd0s=";
   };
 
   build-system = [ setuptools ];
@@ -77,6 +76,11 @@ buildPythonPackage rec {
     PYTHONPATH=$PWD/src:$PYTHONPATH
   '';
 
+  pytestFlagsArray = [
+    "-W"
+    "ignore::DeprecationWarning"
+  ];
+
   # It appears that the build sandbox doesn't include /etc/services, and these tests try to use it.
   disabledTests = [
     "getnameinfo"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 69f663e1473b..ef97bedb953b 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16264,9 +16264,7 @@ self: super: with self; {
 
   trino-python-client = callPackage ../development/python-modules/trino-python-client { };
 
-  trio = callPackage ../development/python-modules/trio {
-    inherit (pkgs) coreutils;
-  };
+  trio = callPackage ../development/python-modules/trio { };
 
   trio-asyncio = callPackage ../development/python-modules/trio-asyncio { };