diff --git a/pyproject.toml b/pyproject.toml
index 1c9c26b2..04006a52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,9 @@ rdt = { main = 'rdt.cli.__main__:main' }
 
 [project.optional-dependencies]
 copulas = ['copulas>=0.11.0',]
+pyarrow = ['pyarrow>=17.0.0']
 test = [
+    'rdt[pyarrow]',
     'rdt[copulas]',
 
     'pytest>=3.4.2',
@@ -58,7 +60,6 @@ test = [
     'rundoc>=0.4.3,<0.5',
     'pytest-subtests>=0.5,<1.0',
     'pytest-runner >= 2.11.1',
-    'pyarrow >= 17.0.0',
     'tomli>=2.0.0,<3',
 ]
 dev = [
diff --git a/tests/unit/transformers/test_numerical.py b/tests/unit/transformers/test_numerical.py
index 0af6b449..47c34787 100644
--- a/tests/unit/transformers/test_numerical.py
+++ b/tests/unit/transformers/test_numerical.py
@@ -5,6 +5,7 @@
 import copulas
 import numpy as np
 import pandas as pd
+import pyarrow as pa
 import pytest
 from copulas import univariate
 from pandas.api.types import is_float_dtype
@@ -44,6 +45,19 @@ def test__validate_values_within_bounds(self):
         # Run
         transformer._validate_values_within_bounds(data)
 
+    def test__validate_values_within_bounds_pyarrow(self):
+        """Test it works with pyarrow."""
+        # Setup
+        try:
+            data = pd.Series(range(10), dtype=pd.ArrowDtype(pa.int64()))
+        except AttributeError:
+            data = pd.Series(range(10), dtype='int64[pyarrow]')
+        transformer = FloatFormatter()
+        transformer.computer_representation = 'UInt8'
+
+        # Run
+        transformer._validate_values_within_bounds(data)
+
     def test__validate_values_within_bounds_under_minimum(self):
         """Test the ``_validate_values_within_bounds`` method.
 
diff --git a/tests/unit/transformers/test_utils.py b/tests/unit/transformers/test_utils.py
index c2bccead..c29ed0ee 100644
--- a/tests/unit/transformers/test_utils.py
+++ b/tests/unit/transformers/test_utils.py
@@ -5,6 +5,7 @@
 
 import numpy as np
 import pandas as pd
+import pyarrow as pa
 import pytest
 
 from rdt.transformers.utils import (
@@ -225,6 +226,21 @@ def test_learn_rounding_digits_less_than_15_decimals():
     assert output == 3
 
 
+def test_learn_rounding_digits_pyarrow():
+    """Test it works with pyarrow."""
+    # Setup
+    try:
+        data = pd.Series(range(10), dtype=pd.ArrowDtype(pa.int64()))
+    except AttributeError:
+        data = pd.Series(range(10), dtype='int64[pyarrow]')
+
+    # Run
+    output = learn_rounding_digits(data)
+
+    # Assert
+    assert output == 0
+
+
 def test_learn_rounding_digits_negative_decimals_float():
     """Test the learn_rounding_digits method with floats multiples of powers of 10.