diff --git a/tests/README.md b/tests/README.md
index a4b475d..67719b0 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -12,7 +12,7 @@ In the `dev.dependencies` section of the `pyproject.toml` file, you will see the
 
 2. Add a `.env` file in the `tests` folder with the following content:
 ```bash
-API_KEY=*************
+CAMBIO_API_KEY=*************
 ```
 
 ## Pre-commit
diff --git a/tests/test.py b/tests/test.py
index 2deaa4c..e66ce60 100755
--- a/tests/test.py
+++ b/tests/test.py
@@ -36,9 +36,9 @@ class TestAnyParser(unittest.TestCase):
     """Testing Any Parser"""
 
     def setUp(self):
-        self.api_key = os.environ.get("API_KEY")
+        self.api_key = os.environ.get("CAMBIO_API_KEY")
         if not self.api_key:
-            raise ValueError("API_KEY is not set")
+            raise ValueError("CAMBIO_API_KEY is not set")
         self.ap = AnyParser(self.api_key)
 
     def test_pdf_sync_extract(self):