diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
deleted file mode 100644
index b9b3cbc..0000000
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ /dev/null
@@ -1,20 +0,0 @@
-TODO:
-
-- [ ] ‹fill in›
-
-<!-- notes for reviewers -->
-
-<!-- Links to other issues or pull requests,
-     for cross-repository links use: ‹namespace›/‹repository›#‹ID of issue›
-       (‹namespace›/‹repository›!‹ID of PR› respectively)
--->
-
-Fixes
-
-Related to
-
-Merge before/after
-
----
-
-<!-- release notes for changelog/blog follow -->
diff --git a/.github/workflows/check-release-notes.yml b/.github/workflows/check-release-notes.yml
new file mode 100644
index 0000000..2ab975b
--- /dev/null
+++ b/.github/workflows/check-release-notes.yml
@@ -0,0 +1,15 @@
+name: Check release notes
+
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+jobs:
+  check_release_notes:
+    name: Notes are either written, or there are none
+    uses: packit/.github/.github/workflows/check-release-notes.yml@main
+    with:
+      description: ${{ github.event.pull_request.body }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 26cdd34..fc6ecdb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -47,3 +47,18 @@ repos:
         args:
           - https://github.com/packit/requre.git
         stages: [manual, push]
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.28.0
+    hooks:
+      - id: check-github-workflows
+        args: ["--verbose"]
+  - repo: https://github.com/Lucas-C/pre-commit-hooks
+    rev: v1.5.5
+    hooks:
+      - id: insert-license
+        files: \.py$
+        args:
+          - --license-filepath
+          - LICENSE_HEADER.txt
+          - --comment-style
+          - "#"
diff --git a/LICENSE_HEADER.txt b/LICENSE_HEADER.txt
new file mode 100644
index 0000000..8a99247
--- /dev/null
+++ b/LICENSE_HEADER.txt
@@ -0,0 +1,2 @@
+Copyright Contributors to the Packit project.
+SPDX-License-Identifier: MIT
diff --git a/docs/conf.py b/docs/conf.py
index e8991c7..0f5c97f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,3 +1,6 @@
+# Copyright Contributors to the Packit project.
+# SPDX-License-Identifier: MIT
+
 # Configuration file for the Sphinx documentation builder.
 #
 # This file only contains a selection of the most common options. For a full
diff --git a/examples/basic_storage.py b/examples/basic_storage.py
index 37b2f5a..38266c0 100644
--- a/examples/basic_storage.py
+++ b/examples/basic_storage.py
@@ -1,3 +1,6 @@
+# Copyright Contributors to the Packit project.
+# SPDX-License-Identifier: MIT
+
 import tempfile
 from requre.cassette import Cassette
 
diff --git a/examples/file_store.py b/examples/file_store.py
index 3422eb2..a869039 100644
--- a/examples/file_store.py
+++ b/examples/file_store.py
@@ -1,3 +1,6 @@
+# Copyright Contributors to the Packit project.
+# SPDX-License-Identifier: MIT
+
 from requre.helpers.files import StoreFiles
 from requre.cassette import Cassette
 from tempfile import mkdtemp
diff --git a/examples/generic_decorator.py b/examples/generic_decorator.py
index d31e338..6533e30 100644
--- a/examples/generic_decorator.py
+++ b/examples/generic_decorator.py
@@ -1,3 +1,6 @@
+# Copyright Contributors to the Packit project.
+# SPDX-License-Identifier: MIT
+
 from requre.objects import ObjectStorage
 from requre.cassette import Cassette
 
diff --git a/examples/request_example.py b/examples/request_example.py
index bda382c..95f5417 100644
--- a/examples/request_example.py
+++ b/examples/request_example.py
@@ -1,3 +1,6 @@
+# Copyright Contributors to the Packit project.
+# SPDX-License-Identifier: MIT
+
 import requests
 import unittest
 from requre.online_replacing import record_requests_for_all_methods