diff --git a/pkgs/development/python-modules/trio-asyncio/default.nix b/pkgs/development/python-modules/trio-asyncio/default.nix
index 25caa3e965f..2cbd32b910e 100644
--- a/pkgs/development/python-modules/trio-asyncio/default.nix
+++ b/pkgs/development/python-modules/trio-asyncio/default.nix
@@ -40,8 +40,9 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [
     # https://github.com/python-trio/trio-asyncio/issues/112
-    "-W"
-    "ignore::DeprecationWarning"
+    "-W" "ignore::DeprecationWarning"
+    # trio.MultiError is deprecated since Trio 0.22.0; use BaseExceptionGroup (on Python 3.11 and later) or exceptiongroup.BaseExceptionGroup (earlier versions) instead (https://github.com/python-trio/trio/issues/2211)
+    "-W" "ignore::trio.TrioDeprecationWarning"
   ];
 
   disabledTestPaths = [