diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 49de017..8c39cdf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -207,3 +207,17 @@ jobs:
       sanitizer:      tsan
       nim-versions:   ${{ needs.versions.outputs.nim-versions }}
       nimble-version: ${{ needs.versions.outputs.nimble }}
+
+  auto-assign:
+    name: Auto-assign PR author
+    if: github.event_name == 'pull_request' && github.event.action == 'opened'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - run: gh pr edit "$PR" --repo "$REPO" --add-assignee "$AUTHOR"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO:   ${{ github.repository }}
+          PR:     ${{ github.event.pull_request.number }}
+          AUTHOR: ${{ github.event.pull_request.user.login }}