diff --git a/requirements.txt b/requirements.txt
index 4f94ef5b..0053e600 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ gunicorn==19.10.0
 itsdangerous==2.0.1
 matplotlib==3.4.1
 multi-model-server==1.1.2
-numpy==1.21.6
+numpy==1.19.2
 pandas==1.2.4
 protobuf==3.20.1
 psutil==5.6.7  # sagemaker-containers requires psutil 5.6.7
diff --git a/test/resources/versions/train.py b/test/resources/versions/train.py
index 207ff55b..c7313148 100644
--- a/test/resources/versions/train.py
+++ b/test/resources/versions/train.py
@@ -15,7 +15,7 @@
 gunicorn==19.10.0
 matplotlib==3.4.1
 multi-model-server==1.1.2
-numpy==1.21.6
+numpy==1.19.2
 pandas==1.2.4
 psutil==5.6.7
 pyarrow==1.0.1
diff --git a/test/unit/test_data_utils.py b/test/unit/test_data_utils.py
index 2ca5d3be..7ff68d27 100644
--- a/test/unit/test_data_utils.py
+++ b/test/unit/test_data_utils.py
@@ -14,6 +14,7 @@
 import unittest
 import os
 from pathlib import Path
+import pandas as pd
 import shutil
 import signal
 import subprocess
@@ -252,3 +253,7 @@ def test_check_data_redundancy_throws_exception_pipe(self):
         pb_file_paths = ['pb_files']
         with self.assertRaises(Exception):
             data_utils.check_data_redundancy(pb_file_paths[0], pb_file_paths[1])
+
+    def test_pyarrow_to_parquet_conversion_does_not_throw_exception(self):
+        df = pd.DataFrame({'x': [1, 2]})
+        df.to_parquet('test.parquet', engine='pyarrow')