diff --git a/.github/mistaken-pull-closer.yml b/.github/mistaken-pull-closer.yml
new file mode 100644
index 00000000..bb28e607
--- /dev/null
+++ b/.github/mistaken-pull-closer.yml
@@ -0,0 +1,11 @@
+filters:
+  - true
+
+commentBody: |
+  Thanks for your contribution! Unfortunately, we don't use GitHub pull requests
+  to manage code contributions to this repository (and GitHub doesn't have any
+  way to disable pull requests entirely). Instead, please see
+  https://torsion.org/borgmatic/#contributing which provides full instructions
+  on how to submit pull requests. You can even use your GitHub account to login.
+
+addLabel: false
diff --git a/NEWS b/NEWS
index 5337019c..57885c60 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,9 @@
    1 (info about steps borgmatic is taking). This prevented logs from showing up in monitoring
    services like Healthchecks unless you had an explicit monitoring verbosity set.
  * Move Mastodon social hosting from Fosstodon to FLOSS.social: https://floss.social/@borgmatic
+ * The borgmatic project no longer accepts pull requests on GitHub. But see
+   https://torsion.org/borgmatic/#contributing for how you can still submit pull requests. You can
+   even use your GitHub account to login.
 
 2.0.4
  * #1072: Fix path rewriting for non-root patterns in the ZFS, Btrfs, and LVM hooks.
diff --git a/README.md b/README.md
index b364ec34..f58b3ce9 100644
--- a/README.md
+++ b/README.md
@@ -160,21 +160,21 @@ Other questions or comments? Contact
 ### Contributing
 
 borgmatic [source code is
-available](https://projects.torsion.org/borgmatic-collective/borgmatic) and is also mirrored
-on [GitHub](https://github.com/borgmatic-collective/borgmatic) for convenience.
+available](https://projects.torsion.org/borgmatic-collective/borgmatic) and also
+has a read-only mirror on
+[GitHub](https://github.com/borgmatic-collective/borgmatic) for convenience.
 
 borgmatic is licensed under the GNU General Public License version 3 or any
 later version.
 
-If you'd like to contribute to borgmatic development, please feel free to
-submit a [Pull
-Request](https://projects.torsion.org/borgmatic-collective/borgmatic/pulls) or
+If you'd like to contribute to borgmatic development, please feel free to submit
+a [pull
+request](https://projects.torsion.org/borgmatic-collective/borgmatic/pulls) or
 open an
 [issue](https://projects.torsion.org/borgmatic-collective/borgmatic/issues) to
 discuss your idea. Note that you'll need to
 [register](https://projects.torsion.org/user/sign_up?invite_code=borgmatic)
-first. We also accept Pull Requests on GitHub, if that's more your thing. In
-general, contributions are very welcome. We don't bite!
+first. In general, contributions are very welcome. We don't bite!
 
 Also, please check out the [borgmatic development
 how-to](https://torsion.org/borgmatic/docs/how-to/develop-on-borgmatic/) for