diff --git a/pyproject.toml b/pyproject.toml
index 6cfc36c..b5c388a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ extra-dependencies = [
 ]
 
 [[tool.hatch.envs.hatch-test.matrix]]
-python = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+python = ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.10"]
 
 [tool.hatch.envs.default]
 installer = "uv"
diff --git a/tests/test_xml.py b/tests/test_xml.py
index cf6ade8..23f0c2f 100644
--- a/tests/test_xml.py
+++ b/tests/test_xml.py
@@ -1185,6 +1185,7 @@ def test_syntax_error(self):
                     strip_text=strip_text,
                 )
 
+    @pytest.mark.skipif(sys.implementation.name == "pypy", reason="lnotab has issues with pypy")
     def test_code_error(self):
         for strip_text in (False, True):
             child = FileLoader(os.path.join(os.path.dirname(__file__), "data")).load(