diff --git a/.github/workflows/test_python_3_10.yml b/.github/workflows/test_python_3_10.yml
index 2cf620a17..4ccbe44cf 100644
--- a/.github/workflows/test_python_3_10.yml
+++ b/.github/workflows/test_python_3_10.yml
@@ -42,6 +42,9 @@ jobs:
 
       - name: Install dependencies
         run: poetry install --no-interaction -E docs
+      - name: Download NLTK tokenizer data
+        run: |
+          poetry run python -m nltk.downloader punkt_data
 
       - name: Run unit tests
         run: poetry run pytest cognee/tests/unit/
diff --git a/.github/workflows/test_python_3_12.yml b/.github/workflows/test_python_3_12.yml
index 5a032144a..1354d6f08 100644
--- a/.github/workflows/test_python_3_12.yml
+++ b/.github/workflows/test_python_3_12.yml
@@ -43,6 +43,9 @@ jobs:
 
       - name: Install dependencies
         run: poetry install --no-interaction -E docs
+      - name: Download NLTK tokenizer data
+        run: |
+          poetry run python -m nltk.downloader punkt_data
 
       - name: Run unit tests
         run: poetry run pytest cognee/tests/unit/