diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 699dafc..78ad675 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -46,3 +46,5 @@ jobs:
     - name: Test with unittest
       run: |
         poetry run python -m unittest discover
+      env:
+        API_KEY: ${{ secrets.API_KEY }}
\ No newline at end of file
diff --git a/tests/test.py b/tests/test.py
index 51ad550..8f5d97e 100755
--- a/tests/test.py
+++ b/tests/test.py
@@ -1,5 +1,6 @@
 """Testing Synchronous and Asynchronous Extraction"""
 
+import os
 import sys
 import unittest
 
@@ -14,8 +15,12 @@ class TestAnyParser(unittest.TestCase):
     """Testing Any Parser"""
 
     def setUp(self):
-        self.api_key = "..."  # insert public API key
+        # get secret API key
+        self.api_key = os.environ.get("API_KEY")
+        if not self.api_key:
+            raise ValueError("API_KEY environment variable is not set")
         self.file_path = "../examples/sample_data/stoxx_index_guide_0003.pdf"
+        # create instance of AnyParser
         self.ap = AnyParser(self.api_key)
 
     def test_sync_extract(self):