diff --git a/.flake8 b/.flake8
index 492c8c2..0e24510 100644
--- a/.flake8
+++ b/.flake8
@@ -13,6 +13,9 @@ ignore =
     # E303 too many blank lines
     E303,
 
+    # PT007 wrong values type in @pytest.mark.parametrize, expected list
+    PT007,
+
 max-line-length = 120
 
 exclude =
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
new file mode 100644
index 0000000..0f97d87
--- /dev/null
+++ b/.github/workflows/pre-commit.yml
@@ -0,0 +1,15 @@
+name: Pre-Commit
+
+on:
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+    - uses: pre-commit/action@v3.0.0
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index f1d9d29..4020d8d 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -9,13 +9,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         ref: main
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: '3.10'
 
     - name: Install setuptools
       run: |
diff --git a/.github/workflows/run_tox.yml b/.github/workflows/run_tox.yml
index ad69a07..7136e72 100644
--- a/.github/workflows/run_tox.yml
+++ b/.github/workflows/run_tox.yml
@@ -8,12 +8,12 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 90daabe..1cb5edf 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,18 +1,36 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.1.0
+    rev: v4.4.0
     hooks:
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
 
   - repo: https://github.com/pycqa/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
       - id: isort
         name: isort (python)
 
-  - repo: https://gitlab.com/PyCQA/flake8
-    rev: '3.9.2'
+
+  - repo: https://github.com/PyCQA/flake8
+    rev: '6.0.0'
     hooks:
     -   id: flake8
+        additional_dependencies:
+          - flake8-bugbear==23.1.20
+          - flake8-comprehensions==3.10.1
+          - flake8-pytest-style==1.6
+          - flake8-noqa==1.3
+          - pep8-naming==0.13.3
+
+  - repo: https://github.com/pre-commit/pygrep-hooks
+    rev: v1.10.0
+    hooks:
+      - id: rst-backticks
+
+
+  - repo: meta
+    hooks:
+      - id: check-hooks-apply
+      - id: check-useless-excludes
diff --git a/readme.md b/readme.md
index ddd5744..63b1083 100644
--- a/readme.md
+++ b/readme.md
@@ -36,27 +36,30 @@ This code will be executed
 ```
 
 # Changelog
-#### 0.8 (18.07.2022)
+#### 0.9 (2023-02-08)
+- If the whole shown code block is indented the indention is removed
+
+#### 0.8 (2022-07-18)
 - Renamed ``exec_code_folders`` to ``exec_code_source_folders``
 - Changed type of parameter to specify stdout to a flag
 - Changed default for config parameter that sets encoding
 - Dropped support for Python 3.7
 
-#### 0.7 (15.07.2022)
+#### 0.7 (2022-07-15)
 - Added config parameter to specify stdout encoding
 - Only empty lines of the output get trimmed
 
-#### 0.6 (04.04.2022)
+#### 0.6 (2022-04-04)
 - Fixed an issue where the line numbers for error messages were not correct
 
-#### 0.5 (10.03.2022)
+#### 0.5 (2022-03-10)
 - Marked as safe for parallel reading
 
-#### 0.4 (09.03.2022)
+#### 0.4 (2022-03-09)
 - Added option to run code from example files
 
-#### 0.3 (24.09.2021)
+#### 0.3 (2021-09-24)
 - Added some more documentation and fixed some false path warnings
 
-#### 0.2 (21.09.2021)
+#### 0.2 (2021-09-21)
 - Initial Release
diff --git a/requirements.txt b/requirements.txt
index e24fd58..40e8301 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
-pytest==7.1.2
-pre-commit==2.20.0
-sphinx==5.0.2
-sphinx-rtd-theme==1.0.0
+pytest      >= 7.2,     < 7.3
+pre-commit  >= 3.0,     < 3.1
+
+sphinx              >= 6.1, < 6.2
+sphinx-rtd-theme    >= 1.2, <1.3
diff --git a/setup.py b/setup.py
index d233fc1..afcd1ae 100644
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,7 @@ def load_version() -> str:
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3 :: Only",
     ],
 )
diff --git a/src/sphinx_exec_code/__version__.py b/src/sphinx_exec_code/__version__.py
index 376df7c..e46aee1 100644
--- a/src/sphinx_exec_code/__version__.py
+++ b/src/sphinx_exec_code/__version__.py
@@ -1 +1 @@
-__version__ = '0.8'
+__version__ = '0.9'
diff --git a/src/sphinx_exec_code/code_exec.py b/src/sphinx_exec_code/code_exec.py
index 7f35de9..b2e9ac2 100644
--- a/src/sphinx_exec_code/code_exec.py
+++ b/src/sphinx_exec_code/code_exec.py
@@ -4,7 +4,7 @@
 from itertools import dropwhile
 from pathlib import Path
 
-from sphinx_exec_code.code_exec_error import CodeException
+from sphinx_exec_code.code_exec_error import CodeExceptionError
 from sphinx_exec_code.configuration import PYTHONPATH_FOLDERS, SET_UTF8_ENCODING, WORKING_DIR
 
 
@@ -25,7 +25,7 @@ def execute_code(code: str, file: Path, first_loc: int) -> str:
                          encoding=encoding, cwd=cwd, env=env)
 
     if run.returncode != 0:
-        raise CodeException(code, file, first_loc, run.returncode, run.stderr) from None
+        raise CodeExceptionError(code, file, first_loc, run.returncode, run.stderr) from None
 
     # decode output and drop tailing spaces
     ret_str = (run.stdout if run.stdout is not None else '' + run.stderr if run.stderr is not None else '').rstrip()
diff --git a/src/sphinx_exec_code/code_exec_error.py b/src/sphinx_exec_code/code_exec_error.py
index 4d1e6f0..5ff4343 100644
--- a/src/sphinx_exec_code/code_exec_error.py
+++ b/src/sphinx_exec_code/code_exec_error.py
@@ -5,7 +5,7 @@
 re_line = re.compile(r'^\s*File "(<string>)", line (\d+), in <module>', re.MULTILINE)
 
 
-class CodeException(Exception):
+class CodeExceptionError(Exception):
     def __init__(self, code: str, file: Path, first_loc: int, ret: int, stderr: str):
         self.code = code
 
diff --git a/src/sphinx_exec_code/code_format.py b/src/sphinx_exec_code/code_format.py
index dc46d7f..dad23c3 100644
--- a/src/sphinx_exec_code/code_format.py
+++ b/src/sphinx_exec_code/code_format.py
@@ -1,4 +1,4 @@
-from typing import Iterable, Tuple, List
+from typing import Iterable, List, Tuple
 
 
 class VisibilityMarkerError(Exception):
@@ -64,10 +64,24 @@ def get_show_exec_code(code_lines: Iterable[str]) -> Tuple[str, str]:
         if skip.is_marker(line):
             continue
 
-        hide.add_line(org_line)
-        skip.add_line(org_line)
+        add_line = org_line.rstrip()
+        hide.add_line(add_line)
+        skip.add_line(add_line)
 
-    shown_code = '\n'.join(hide.lines)
+    # remove leading and tailing empty lines of the shown code
+    shown_lines = hide.lines
+    while shown_lines and not shown_lines[0].strip():
+        shown_lines.pop(0)
+    while shown_lines and not shown_lines[-1].strip():
+        shown_lines.pop(-1)
+
+    # check if the shown code block is indented as a whole -> strip
+    leading_spaces = [len(line) - len(line.lstrip()) for line in shown_lines]
+    if strip_spaces := min(leading_spaces):
+        for i, line in enumerate(shown_lines):
+            shown_lines[i] = line[strip_spaces:]
+
+    shown_code = '\n'.join(shown_lines)
     executed_code = '\n'.join(skip.lines)
 
-    return shown_code.strip(), executed_code.strip()
+    return shown_code, executed_code.strip()
diff --git a/src/sphinx_exec_code/configuration/path_config.py b/src/sphinx_exec_code/configuration/path_config.py
index 05737e3..31e9d6e 100644
--- a/src/sphinx_exec_code/configuration/path_config.py
+++ b/src/sphinx_exec_code/configuration/path_config.py
@@ -7,6 +7,10 @@
 from sphinx_exec_code.configuration.base import SphinxConfigValue, TYPE_VALUE
 
 
+class InvalidPathError(Exception):
+    pass
+
+
 class SphinxConfigPath(SphinxConfigValue[TYPE_VALUE]):
     SPHINX_TYPE = (str, Path)
 
@@ -14,8 +18,8 @@ def make_path(self, app: SphinxApp, value) -> Path:
         try:
             path = Path(value)
         except Exception:
-            raise ValueError(f'Could not create Path from "{value}" (type {type(value).__name__}) '
-                             f'(configured by {self.sphinx_name:s})') from None
+            raise InvalidPathError(f'Could not create Path from "{value}" (type {type(value).__name__}) '
+                                   f'(configured by {self.sphinx_name:s})') from None
 
         if not path.is_absolute():
             path = (Path(app.confdir) / path).resolve()
diff --git a/src/sphinx_exec_code/sphinx_exec.py b/src/sphinx_exec_code/sphinx_exec.py
index e8b7e83..a425e23 100644
--- a/src/sphinx_exec_code/sphinx_exec.py
+++ b/src/sphinx_exec_code/sphinx_exec.py
@@ -7,7 +7,7 @@
 from sphinx.util.docutils import SphinxDirective
 
 from sphinx_exec_code.__const__ import log
-from sphinx_exec_code.code_exec import CodeException, execute_code
+from sphinx_exec_code.code_exec import CodeExceptionError, execute_code
 from sphinx_exec_code.code_format import get_show_exec_code, VisibilityMarkerError
 from sphinx_exec_code.configuration import EXAMPLE_DIR
 from sphinx_exec_code.sphinx_spec import build_spec, SpecCode, SpecOutput, SphinxSpecBase
@@ -63,7 +63,7 @@ def _get_code_line(self, line_no: int, content: List[str]) -> int:
         i = 0
         first_line = content[0]
 
-        for i, raw_line in enumerate(self.block_text.splitlines()):
+        for i, raw_line in enumerate(self.block_text.splitlines()):  # noqa: B007
             # raw line contains the leading white spaces
             if raw_line.lstrip() == first_line:
                 break
@@ -100,7 +100,7 @@ def _run(self) -> list:
 
         try:
             code_results = execute_code(code_exec, file, line)
-        except CodeException as e:
+        except CodeExceptionError as e:
             # Newline so we don't have the build message mixed up with logs
             print()
 
diff --git a/tests/test_code_exec.py b/tests/test_code_exec.py
index d387b68..31a16f7 100644
--- a/tests/test_code_exec.py
+++ b/tests/test_code_exec.py
@@ -3,17 +3,16 @@
 
 import pytest
 
-from sphinx_exec_code.code_exec import CodeException, execute_code
+from sphinx_exec_code.code_exec import CodeExceptionError, execute_code
 from sphinx_exec_code.configuration import PYTHONPATH_FOLDERS, SET_UTF8_ENCODING, WORKING_DIR
 
 
-@pytest.fixture
+@pytest.fixture()
 def setup_env(monkeypatch):
     f = Path(__file__).parent
     monkeypatch.setattr(WORKING_DIR, '_value', f)
     monkeypatch.setattr(PYTHONPATH_FOLDERS, '_value', [str(f)])
-
-    yield
+    return None
 
 
 @pytest.mark.parametrize('utf8', [True, False])
@@ -42,7 +41,7 @@ def test_err(setup_env, monkeypatch, utf8):
 
     code = "print('Line1')\nprint('Line2')\n1/0"
 
-    with pytest.raises(CodeException) as e:
+    with pytest.raises(CodeExceptionError) as e:
         execute_code(code, Path('/my_file'), 5)
 
     msg = e.value.pformat()
diff --git a/tests/test_code_format.py b/tests/test_code_format.py
index dc4ff4b..ebe024f 100644
--- a/tests/test_code_format.py
+++ b/tests/test_code_format.py
@@ -7,7 +7,7 @@ def test_format_hide():
     code = 'print("1")\n# - hide: start - \nprint("2")\n #hide:stop\n  \n  \nprint("3")'
     show, run = get_show_exec_code(code.splitlines())
     assert show == 'print("1")\nprint("3")'
-    assert run == 'print("1")\nprint("2")\n  \n  \nprint("3")'
+    assert run == 'print("1")\nprint("2")\n\n\nprint("3")'
 
 
 def test_format_skip():
@@ -18,6 +18,22 @@ def test_format_skip():
 
 
 def test_marker_err():
+    code = 'print("1")\n# - hide: start - \n# - hide: start - \nprint("2")\n #hide:stop\nprint("3")'
     with pytest.raises(VisibilityMarkerError):
-        code = 'print("1")\n# - hide: start - \n# - hide: start - \nprint("2")\n #hide:stop\nprint("3")'
-        _, _ = get_show_exec_code(code.splitlines())
+        get_show_exec_code(code.splitlines())
+
+
+def test_code_indent():
+    code = """
+
+    print('asdf')
+        print('1234')
+      # comment
+
+
+    """
+    show, run = get_show_exec_code(code.splitlines())
+
+    assert show == "print('asdf')\n" \
+                   "    print('1234')\n" \
+                   "  # comment"
diff --git a/tests/test_sphinx_config.py b/tests/test_sphinx_config.py
index 424918e..4b7827f 100644
--- a/tests/test_sphinx_config.py
+++ b/tests/test_sphinx_config.py
@@ -2,6 +2,7 @@
 
 import pytest
 
+from sphinx_exec_code.configuration.path_config import InvalidPathError
 from sphinx_exec_code.configuration.values import SphinxConfigFolder
 
 
@@ -12,6 +13,6 @@ def test_path_errors():
         a.check_folder_exists(Path('does_not_exist'))
     assert str(e.value) == 'Directory "does_not_exist" not found! (configured by config_key_name)'
 
-    with pytest.raises(ValueError) as e:
+    with pytest.raises(InvalidPathError) as e:
         a.make_path(None, 1)
     assert str(e.value) == 'Could not create Path from "1" (type int) (configured by config_key_name)'
diff --git a/tox.ini b/tox.ini
index f603fe0..b4c5442 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist =
     py38
     py39
     py310
+    py311
     flake
     docs
 
@@ -12,8 +13,9 @@ envlist =
 python =
     3.7: py37
     3.8: py38
-    3.9: py39, flake, docs
-    3.10: py310
+    3.9: py39
+    3.10: py310, flake, docs
+    3.11: py311
 
 [testenv]
 deps =