diff --git a/pyproject.toml b/pyproject.toml
index dea224866..295756d84 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ docs = [
     "jupyter-book",
     "sphinx-book-theme",
     "sphinx-autodoc-typehints",
-    "sphinxcontrib-autoyaml",
+    "sphinxcontrib-autoyaml==1.1.1",
     "sphinxcontrib.mermaid",
 ]
 develop = [
diff --git a/tests/wind_data_integration_test.py b/tests/wind_data_integration_test.py
index 02d2a7ced..d3ca57438 100644
--- a/tests/wind_data_integration_test.py
+++ b/tests/wind_data_integration_test.py
@@ -893,6 +893,7 @@ def test_wind_ti_rose_aggregate():
     np.testing.assert_allclose(wind_rose.wind_speeds, wind_rose_2.wind_speeds)
     np.testing.assert_allclose(wind_rose.turbulence_intensities, wind_rose_2.turbulence_intensities)
 
+    wind_rose_2 = copy.deepcopy(wind_rose)
     wind_rose_2.downsample(ti_step=0.04, inplace=True)
     np.testing.assert_allclose(
         wind_rose_aggregate.turbulence_intensities, wind_rose_2.turbulence_intensities