diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9c9de4e..a122a9b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,6 @@
+## Branch protection
+It's not possible to push to `main` without a PR.
+
 ## Developing
 1.  Clone this repo locally.
 2.  Run `uv venv` to create the Python virtual environment.
@@ -24,4 +27,4 @@
     ```
     npx @modelcontextprotocol/inspector uvx --default-index https://test.pypi.org/simple/ --index https://pypi.org/simple/ mcp-sqlite@0.1.0rc2 test.db --metadata test.yml
     ```
-- Tagging a commit with a non-release candidate tag (not containing `rc`) will trigger build and upload to PyPi.
\ No newline at end of file
+- Tagging a commit with a non-release candidate tag (not containing `rc`) will trigger build and upload to PyPi.