diff --git a/aicsimageio/tests/readers/test_ome_tiff_reader.py b/aicsimageio/tests/readers/test_ome_tiff_reader.py
index 4eda9c3ba..fdab7e63d 100644
--- a/aicsimageio/tests/readers/test_ome_tiff_reader.py
+++ b/aicsimageio/tests/readers/test_ome_tiff_reader.py
@@ -397,15 +397,6 @@ def test_multi_resolution_ome_tiff_reader(
         "3d-cell-viewer.ome.tiff",
         "pre-variance-cfe.ome.tiff",
         "variance-cfe.ome.tiff",
-        pytest.param(
-            "actk.ome.tiff",
-            marks=pytest.mark.xfail(raises=exceptions.UnsupportedFileFormatError),
-        ),
-        # This file has a namespace that doesn't exist
-        pytest.param(
-            "s_1_t_1_c_10_z_1.ome.tiff",
-            marks=pytest.mark.xfail(raises=exceptions.UnsupportedFileFormatError),
-        ),
     ],
 )
 def test_known_errors_without_cleaning(filename: str, host: str) -> None:
diff --git a/aicsimageio/tests/writers/test_ome_tiff_writer.py b/aicsimageio/tests/writers/test_ome_tiff_writer.py
index a7cfa8985..5c520dd41 100644
--- a/aicsimageio/tests/writers/test_ome_tiff_writer.py
+++ b/aicsimageio/tests/writers/test_ome_tiff_writer.py
@@ -3,7 +3,6 @@
 
 from typing import Callable, List, Optional, Tuple, Union
 
-import lxml
 import numpy as np
 import pytest
 from ome_types import to_xml
@@ -165,8 +164,10 @@ def test_ome_tiff_writer_no_meta(
             (1, 2, 3, 4, 5),
             "bad ome string",
             "TCZYX",
-            # raised from within ome-types
-            marks=pytest.mark.xfail(raises=lxml.etree.XMLSyntaxError),
+            # Raised from within ome-types.
+            # Purposely not specifying the exact exception due to
+            # version differences in ome-types.
+            marks=pytest.mark.xfail(),
         ),
     ],
 )
diff --git a/setup.py b/setup.py
index 6740b750d..2ddbac1be 100644
--- a/setup.py
+++ b/setup.py
@@ -105,7 +105,7 @@ def run(self):
     "imagecodecs>=2020.5.30",
     "lxml>=4.6,<5",
     "numpy>=1.16,<=1.24.0",
-    "ome-types>=0.3.3,<0.4.0",
+    "ome-types>=0.3.4",
     "ome-zarr>=0.6.1",
     "PyYAML>=6.0",
     "wrapt>=1.12",