diff --git a/tests/examples/test_examples.py b/tests/examples/test_examples.py
index 701d1307f..1525b1b8f 100644
--- a/tests/examples/test_examples.py
+++ b/tests/examples/test_examples.py
@@ -74,6 +74,17 @@ def test_llm_and_nlp_examples(example):
             pytest.skip("Hugging Face token not set")
     if "claude" in name and "ANTHROPIC_API_KEY" not in os.environ:
         pytest.skip("ANTHROPIC_API_KEY not set")
+    if "unstructured-summary-map" in name:
+        import nltk
+
+        # pre-download nltk data manually
+        # Older version of unstructured uses their own hosted dataset, which is down.
+        # See: https://github.com/Unstructured-IO/unstructured/issues/3795.
+        # We cannot update to the latest version of unstructured because of https://github.com/Unstructured-IO/unstructured/issues/3731.
+
+        nltk.download("averaged_perceptron_tagger_eng", quiet=True)
+        nltk.download("punkt_tab", quiet=True)
+
     smoke_test(example)