diff --git a/aws_lambda_powertools/shared/functions.py b/aws_lambda_powertools/shared/functions.py
index 24a0bc830a8..11c4e4ce77c 100644
--- a/aws_lambda_powertools/shared/functions.py
+++ b/aws_lambda_powertools/shared/functions.py
@@ -1,7 +1,7 @@
 from typing import Any, Optional, Union
 
 
-def _strtobool(value: str) -> bool:
+def strtobool(value: str) -> bool:
     """Convert a string representation of truth to True or False.
 
     True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
@@ -35,7 +35,7 @@ def resolve_truthy_env_var_choice(env: str, choice: Optional[bool] = None) -> bo
     choice : str
         resolved choice as either bool or environment value
     """
-    return choice if choice is not None else _strtobool(env)
+    return choice if choice is not None else strtobool(env)
 
 
 def resolve_env_var_choice(env: Any, choice: Optional[Any] = None) -> Union[bool, Any]:
diff --git a/tests/functional/test_shared_functions.py b/tests/functional/test_shared_functions.py
index db1a672eb37..c71b7239739 100644
--- a/tests/functional/test_shared_functions.py
+++ b/tests/functional/test_shared_functions.py
@@ -1,6 +1,6 @@
 import pytest
 
-from aws_lambda_powertools.shared.functions import _strtobool, resolve_env_var_choice, resolve_truthy_env_var_choice
+from aws_lambda_powertools.shared.functions import resolve_env_var_choice, resolve_truthy_env_var_choice, strtobool
 
 
 def test_resolve_env_var_choice_explicit_wins_over_env_var():
@@ -15,15 +15,15 @@ def test_resolve_env_var_choice_env_wins_over_absent_explicit():
 
 @pytest.mark.parametrize("true_value", ["y", "yes", "t", "true", "on", "1"])
 def test_strtobool_true(true_value):
-    assert _strtobool(true_value)
+    assert strtobool(true_value)
 
 
 @pytest.mark.parametrize("false_value", ["n", "no", "f", "false", "off", "0"])
 def test_strtobool_false(false_value):
-    assert _strtobool(false_value) is False
+    assert strtobool(false_value) is False
 
 
 def test_strtobool_value_error():
     with pytest.raises(ValueError) as exp:
-        _strtobool("fail")
+        strtobool("fail")
     assert str(exp.value) == "invalid truth value 'fail'"