diff --git a/pkgs/development/python-modules/pysigma-backend-loki/default.nix b/pkgs/development/python-modules/pysigma-backend-loki/default.nix
index 86675b22a6bf..983b4122dba1 100644
--- a/pkgs/development/python-modules/pysigma-backend-loki/default.nix
+++ b/pkgs/development/python-modules/pysigma-backend-loki/default.nix
@@ -29,6 +29,11 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "sigma.backends.loki" ];
 
+  disabledTestPaths = [
+    # Tests are out-dated
+    "tests/test_backend_loki_field_modifiers.py"
+  ];
+
   meta = with lib; {
     description = "Library to support the loki backend for pySigma";
     homepage = "https://github.com/grafana/pySigma-backend-loki";