diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index dc88113ad6..d2b27a8ce5 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -3,6 +3,10 @@ name: Docs Preview
 on:
   pull_request:
 
+# ensure job runs sequentially so pushing to the preview branch doesn't conflict
+concurrency:
+  group: ci-docs-preview
+
 env:
   IROH_FORCE_STAGING_RELAYS: "1"
 
@@ -37,7 +41,7 @@ jobs:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./target/doc/
         destination_dir: ${{ env.PREVIEW_PATH }}
-        publish_branch: generated-docs-preview-${{ github.event.pull_request.number }}
+        publish_branch: generated-docs-preview
 
     - name: Find Docs Comment
       uses: peter-evans/find-comment@v3