diff --git a/pyproject.toml b/pyproject.toml
index 422998a..96d655a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,28 +1,21 @@
 [project]
-name = "pytest-markdown-console"
-version = "0.0.1"
-description = "A pytest extension to test console code blocks in markdown files."
-readme = "README.md"
 authors = [
-    { name = "confarg", email = "280620574+confarg@users.noreply.github.com" }
-]
-requires-python = ">=3.12"
-dependencies = [
-    "pytest>=8",
+    { name = "confarg", email = "280620574+confarg@users.noreply.github.com" },
 ]
+dependencies = ["pytest>=8"]
+description = "A pytest plugin to test console code blocks in markdown files."
 license = "MPL-2.0"
+name = "pytest-markdown-console"
+readme = "README.md"
+requires-python = ">=3.12"
+version = "0.0.1"
 
 [project.entry-points."pytest11"]
 markdown-console = "pytest_markdown_console"
 
 [build-system]
-requires = ["uv_build>=0.11.13,<0.12.0"]
 build-backend = "uv_build"
+requires      = ["uv_build>=0.11.13,<0.12.0"]
 
 [dependency-groups]
-dev = [
-    "pre-commit>=4.6.0",
-    "pytest>=9.0.3",
-    "pytest-cov>=7.1.0",
-    "ty>=0.0.40",
-]
+dev = ["pre-commit>=4.6.0", "pytest>=9.0.3", "pytest-cov>=7.1.0", "ty>=0.0.40"]
diff --git a/src/pytest_markdown_console/__init__.py b/src/pytest_markdown_console/__init__.py
index 634e905..dc987c6 100644
--- a/src/pytest_markdown_console/__init__.py
+++ b/src/pytest_markdown_console/__init__.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """pytest plugin for testing console code blocks in Markdown files."""
 
 from .plugin import markdown_console_tmpdir as markdown_console_tmpdir
diff --git a/src/pytest_markdown_console/models.py b/src/pytest_markdown_console/models.py
index b6c4f71..6d75a2f 100644
--- a/src/pytest_markdown_console/models.py
+++ b/src/pytest_markdown_console/models.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Data model for parsed console blocks."""
 
 from __future__ import annotations
diff --git a/src/pytest_markdown_console/parsing.py b/src/pytest_markdown_console/parsing.py
index 9882bb9..e1990ac 100644
--- a/src/pytest_markdown_console/parsing.py
+++ b/src/pytest_markdown_console/parsing.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Parsing of fenced console blocks from Markdown source."""
 
 from __future__ import annotations
diff --git a/src/pytest_markdown_console/plugin.py b/src/pytest_markdown_console/plugin.py
index b6bdb2f..075f92a 100644
--- a/src/pytest_markdown_console/plugin.py
+++ b/src/pytest_markdown_console/plugin.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """pytest collector and item classes for Markdown console blocks."""
 
 from __future__ import annotations
diff --git a/src/pytest_markdown_console/runner.py b/src/pytest_markdown_console/runner.py
index 71431c4..bc3ab16 100644
--- a/src/pytest_markdown_console/runner.py
+++ b/src/pytest_markdown_console/runner.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Command execution and output matching for console blocks."""
 
 from __future__ import annotations
diff --git a/tests/__init__.py b/tests/__init__.py
index 6db6219..532098f 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1 +1,5 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Test suite for pytest-markdown-console."""
diff --git a/tests/conftest.py b/tests/conftest.py
index cc3e6f3..533571f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Pytest configuration for the test suite."""
 
 pytest_plugins = ["pytester"]
diff --git a/tests/test_parsing.py b/tests/test_parsing.py
index 05c60bb..44be0ce 100644
--- a/tests/test_parsing.py
+++ b/tests/test_parsing.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Tests for Markdown console block parsing."""
 
 import pytest
diff --git a/tests/test_plugin.py b/tests/test_plugin.py
index 4509eb4..6d23723 100644
--- a/tests/test_plugin.py
+++ b/tests/test_plugin.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Integration tests for the pytest plugin using pytester."""
 
 import sys
diff --git a/tests/test_runner.py b/tests/test_runner.py
index 71d832c..fba2c1a 100644
--- a/tests/test_runner.py
+++ b/tests/test_runner.py
@@ -1,3 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 """Tests for command execution and output matching."""
 
 from unittest.mock import MagicMock, patch