diff --git a/pyproject.toml b/pyproject.toml
index b77a7d9..f8a98ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -708,7 +708,7 @@ ignore = [
   "TRY003", # Avoid specifying long messages outside the exception class
   "TRY400", # Use `logging.exception` instead of `logging.error`
   # Ignored due to performance: https://github.com/charliermarsh/ruff/issues/2923
-  "UP038", # Use `X | Y` in `isinstance` call instead of `(X, Y)`
+  # "UP038", # Use `X | Y` in `isinstance` call instead of `(X, Y)`
   "UP046", # Non PEP 695 generic class
   "UP047", # Non PEP 696 generic function
   "UP049", # Avoid private type parameter names