diff --git a/pkgs/development/python-modules/beartype/default.nix b/pkgs/development/python-modules/beartype/default.nix
index 1458225ed605..a8a1149930d6 100644
--- a/pkgs/development/python-modules/beartype/default.nix
+++ b/pkgs/development/python-modules/beartype/default.nix
@@ -20,6 +20,14 @@ buildPythonPackage rec {
     hash = "sha256-oD7LS+c+mZ8W4YnAaAYxQkbUlmO8E2TPxy0PBI7Jr7A=";
   };
 
+  # Several tests fail with:
+  # - beartype.roar.BeartypeDecorHintNonpepException
+  # - RuntimeError: There is no current event loop in thread 'MainThread'
+  # - Failed: DID NOT RAISE <class 'beartype.roar.BeartypeDecorHintNonpepException'>
+  # - AssertionError
+  # - ...
+  disabled = pythonAtLeast "3.14";
+
   build-system = [ hatchling ];
 
   nativeCheckInputs = [