diff --git a/.github/workflows/assign-author-to-pr.yaml b/.github/workflows/assign-author-to-pr.yaml
new file mode 100644
index 0000000..0538e78
--- /dev/null
+++ b/.github/workflows/assign-author-to-pr.yaml
@@ -0,0 +1,23 @@
+name: Assign author to their PR
+
+on:
+  pull_request:
+    types:
+      - reopened
+      - opened
+
+permissions:
+  pull-requests: write
+
+jobs:
+  assign-author-to-pr:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Assign PR to author
+        run: |
+          gh pr edit $PR --add-assignee $AUTHOR
+        env:
+          AUTHOR: ${{ github.event.pull_request.user.login }}
+          PR: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
diff --git a/.github/workflows/auto-author-assign.yaml b/.github/workflows/auto-author-assign.yaml
deleted file mode 100644
index 7277937..0000000
--- a/.github/workflows/auto-author-assign.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-# .github/workflows/auto-author-assign.yml
-# https://github.com/marketplace/actions/auto-author-assign
-name: Auto Author Assign
-
-on:
-  pull_request_target:
-    types: [ opened, reopened ]
-
-permissions:
-  pull-requests: write
-
-jobs:
-  assign-author:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: toshimaru/auto-author-assign@v2.1.0
\ No newline at end of file