diff --git a/docs/release_notes.rst b/docs/release_notes.rst
index 37611b71..f90f096d 100644
--- a/docs/release_notes.rst
+++ b/docs/release_notes.rst
@@ -22,6 +22,8 @@ v9.0.3
    security, Ghostscript 9.28 enables ``-dSAFER`` and as such, no longer
    permits access to any file by default. This fix is necessary for
    compatibility with Ghostscript 9.28.
+-  Exclude a test that sometimes times out and fails in continuous integration
+   from the standard test suite.
 
 v9.0.2
 ======
@@ -33,7 +35,7 @@ v9.0.2
 -  Fixed an issue that caused inversion of black and white in monochrome images.
    We are not certain but the problem seems to be linked to Leptonica 1.76.0 and
    older.
--  Fixed some cases where the test suite failed or produced unexpected if
+-  Fixed some cases where the test suite failed if
    English or German Tesseract language packs were not installed.
 -  Fixed a runtime error if the Tesseract English language is not installed.
 -  Improved explicit closing of Pillow images after use.
diff --git a/tests/test_main.py b/tests/test_main.py
index e87e5163..e84fc052 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -613,6 +613,7 @@ language_model_penalty_non_freq_dict_word 0
     )
 
 
+@pytest.mark.slow  # This test sometimes times out in CI
 @pytest.mark.parametrize('renderer', RENDERERS)
 def test_tesseract_config_notfound(renderer, resources, outdir):
     cfg_file = outdir / 'nofile.cfg'