diff --git a/.github/stale.yml b/.github/stale.yml
deleted file mode 100644
index 4246347..0000000
--- a/.github/stale.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-# Configuration for probot-stale - https://github.com/probot/stale
-
-# Number of days of inactivity before an Issue or Pull Request becomes stale
-daysUntilStale: 90
-
-# Number of days of inactivity before an Issue or Pull Request with the stale label is closed.
-# Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
-daysUntilClose: 7
-
-# Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)
-onlyLabels: []
-
-# Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
-exemptLabels:
-  - pinned
-  - security
-
-# Set to true to ignore issues with an assignee (defaults to false)
-exemptAssignees: true
-
-# Comment to post when marking as stale. Set to `false` to disable
-markComment: >
-  This issue has been automatically marked as stale because it has not had
-  recent activity. It will be closed if no further activity occurs. If you'd
-  like this issue to stay open please leave a comment indicating how this issue
-  is affecting you. Thank you.
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
new file mode 100644
index 0000000..bdd022e
--- /dev/null
+++ b/.github/workflows/stale.yml
@@ -0,0 +1,18 @@
+name: Mark stale PRs
+
+on:
+  schedule:
+    - cron: '0 12 * * 1-5'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          stale-issue-message: 'This PR is stale because it has been open 21 days with no activity. If you would like this issue to stay open please leave a comment indicating how this issue is affecting you. Thank you.'
+          days-before-pr-stale: 14
+          days-before-issue-stale: -1
+          days-before-pr-close: 21
+          days-before-issue-close: -1
+          exempt-issue-labels: 'pinned,security,bug'