diff --git a/tests/conftest.py b/tests/conftest.py
index a6d1ff9..07e8a78 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -10,7 +10,7 @@
 import tempfile
 
 import pytest
-from pathlib import Path
+import sphinx
 
 pytest_plugins = 'sphinx.testing.fixtures'
 
@@ -19,10 +19,30 @@
 
 @pytest.fixture(scope='session')
 def sphinx_test_tempdir():
-    return Path(
-        os.environ.get('SPHINX_TEST_TEMPDIR',
-                       tempfile.mkdtemp(prefix='apidoc-'))).resolve()
+    if sphinx.version_info >= (7, 2, 0):
+        from pathlib import Path
+
+        return Path(
+            os.environ.get(
+                'SPHINX_TEST_TEMPDIR', tempfile.mkdtemp(prefix='apidoc-'),
+            )
+        ).resolve()
+    else:
+        from sphinx.testing.path import path
+
+        return path(
+            os.environ.get(
+                'SPHINX_TEST_TEMPDIR', tempfile.mkdtemp(prefix='apidoc-'),
+            )
+        ).abspath()
+
 
 @pytest.fixture(scope='session')
 def rootdir():
-    return Path(os.path.dirname(__file__) or '.').resolve() / 'roots'
+    if sphinx.version_info >= (7, 2, 0):
+        from pathlib import Path
+        return Path(os.path.dirname(__file__) or '.').resolve() / 'roots'
+    else:
+        from sphinx.testing.path import path
+
+        return path(os.path.dirname(__file__) or '.').abspath() / 'roots'
diff --git a/tests/test_ext.py b/tests/test_ext.py
index 8275c0a..afd9ba5 100644
--- a/tests/test_ext.py
+++ b/tests/test_ext.py
@@ -14,17 +14,24 @@
 from sphinx.util import logging
 
 
+def is_dir(path):
+    if sphinx.version_info >= (7, 2, 0):
+        return path.is_dir()
+    else:
+        return path.isdir()
+
+
 @pytest.mark.sphinx('html', testroot='basics')
 def test_basics(app, status, warning):
     logging.setup(app, status, warning)
     app.builder.build_all()
 
-    assert (app.srcdir / 'api').is_dir()
+    assert is_dir(app.srcdir / 'api')
     assert (app.srcdir / 'api' / 'modules.rst').exists()
     assert (app.srcdir / 'api' / 'apidoc_dummy_module.rst').exists()
     assert not (app.srcdir / 'api' / 'conf.rst').exists()
 
-    assert (app.outdir / 'api').is_dir()
+    assert is_dir(app.outdir / 'api')
     assert (app.outdir / 'api' / 'modules.html').exists()
     assert (app.outdir / 'api' / 'apidoc_dummy_module.html').exists()
     assert not (app.outdir / 'api' / 'conf.html').exists()
@@ -40,7 +47,7 @@ def test_advanced(app, status, warning):
     logging.setup(app, status, warning)
     app.builder.build_all()
 
-    assert (app.srcdir / 'api').is_dir()
+    assert is_dir(app.srcdir / 'api')
     assert (app.srcdir / 'api' / 'custom.rst').exists()
     for module in [
             'apidoc_dummy_module.rst',
@@ -58,7 +65,7 @@ def test_advanced(app, status, warning):
     # The 'Module contents' header isn't present if '--module-first' used
     assert 'Module contents' not in package_doc
 
-    assert (app.outdir / 'api').is_dir()
+    assert is_dir(app.outdir / 'api')
     assert (app.outdir / 'api' / 'custom.html').exists()
     for module in [
             'apidoc_dummy_module.html',
@@ -79,7 +86,7 @@ def test_advanced_negative(app, status, warning):
     logging.setup(app, status, warning)
     app.builder.build_all()
 
-    assert (app.srcdir / 'api').is_dir()
+    assert is_dir(app.srcdir / 'api')
     for module in [
             'apidoc_dummy_module.rst',
     ]:
@@ -94,7 +101,7 @@ def test_advanced_negative(app, status, warning):
     # The 'Module contents' header is present if '--module-first' isn't used
     assert 'Module contents' in package_doc
 
-    assert (app.outdir / 'api').is_dir()
+    assert is_dir(app.outdir / 'api')
     for module in [
             'apidoc_dummy_module.html',
     ]: