diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 494f97c..45d5cd9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -121,7 +121,8 @@ jobs:
 
       - name: Test with pytest
         run: |
-          pip install --upgrade pip
-          pip install pytest pytest-cov
-          pip install -r requirements.txt
+          python3 -m pip install --upgrade pip
+          pip3 install pytest pytest-cov
+          pip3 install -r requirements.txt
+          python3 tests/example_load_data.py
           pytest tests/test_api.py
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index f02181e..92fa7d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ boto3 == 1.28.2
 pandas == 2.0.3
 shapely == 2.0.1
 connexion == 2.14.2
-cryptography == 41.0.2
+cryptography == 38.0.4
 Flask-Testing == 0.8.1
\ No newline at end of file