diff --git a/krawl/config.py b/krawl/config.py
index 66de5e6..eb2f5b8 100644
--- a/krawl/config.py
+++ b/krawl/config.py
@@ -15,26 +15,10 @@
 from collections.abc import Mapping, MutableMapping
 from copy import deepcopy
 from datetime import datetime
-# from str_to_bool import str_to_bool
+from str_to_bool import str_to_bool
 from pathlib import Path
 from typing import Any
 
-"""Implementation of str_to_bool from Python 3.8.2.""" # HACK Copied from library python-strtobool, because it does not support python < 3.9
-def str_to_bool(val: str) -> bool:
-    """Convert a string representation of truth to `True` or `False`.
-
-    True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
-    are 'n', 'no', 'f', 'false', 'off', and '0'.  Raises ValueError if
-    'val' is anything else.
-    """
-    val = val.lower()
-    if val in ('y', 'yes', 't', 'true', 'on', '1'):
-        return True
-    if val in ('n', 'no', 'f', 'false', 'off', '0'):
-        return False
-    msg = f'Invalid truth value "{val}"'
-    raise ValueError(msg)
-
 import yaml
 from cerberus import TypeDefinition, Validator
 from cerberus.errors import REQUIRED_FIELD, BasicErrorHandler, ValidationError
diff --git a/poetry.lock b/poetry.lock
index 072fdc4..ef25d64 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1162,6 +1162,17 @@ files = [
 [package.dependencies]
 six = ">=1.5"
 
+[[package]]
+name = "python-strtobool"
+version = "1.0.3"
+description = "str_to_bool function for Python"
+optional = false
+python-versions = ">=3.0"
+files = [
+    {file = "python_strtobool-1.0.3-py3-none-any.whl", hash = "sha256:a9f6988be13660fbb451023fe2966aae423b48c8f67bd5948f7dc315184575d2"},
+    {file = "python_strtobool-1.0.3.tar.gz", hash = "sha256:b05e8a732025907e0ab900693cf574bb275d0ef3473e3255dbb2958e0db32e1b"},
+]
+
 [[package]]
 name = "pyyaml"
 version = "6.0.1"
@@ -1687,4 +1698,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.7,<4.0"
-content-hash = "da9546efb89359693a9312f0c2cd4752756aea8a23973699be512d47de6bd408"
+content-hash = "42ee98b71141b2a3987b04ebf264e23df1ea66beb69113cfcc0b482b12453685"
diff --git a/pyproject.toml b/pyproject.toml
index 0f81b77..f3e8828 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ pathvalidate = "^2.3.2"
 langdetect = "^1.0.8"
 PyYAML = "^6.0"
 requests-oauthlib = "^1.3.0"
-# python-strtobool = "^1.0.0"
+python-strtobool = "^1.0.3"
 requests = "^2.26.0"
 python-dateutil = "^2.8.2"
 validators = "^0.18.2"