diff --git a/pkgs/development/python-modules/guidance/default.nix b/pkgs/development/python-modules/guidance/default.nix
index f930e4ddd4e73d1..754d7109c6929e0 100644
--- a/pkgs/development/python-modules/guidance/default.nix
+++ b/pkgs/development/python-modules/guidance/default.nix
@@ -79,6 +79,9 @@ buildPythonPackage rec {
     "test_recursion_error"
     "test_openai_class_detection"
     "test_openai_chat_without_roles"
+
+    # flaky tests
+    "test_remote_mock_gen" # frequently fails when building packages in parallel
   ];
 
   disabledTestPaths = [