diff --git a/.github/workflows/docs-preview-create.yml b/.github/workflows/docs-preview-create.yml
index 00b89cac88..2d77ed56d8 100644
--- a/.github/workflows/docs-preview-create.yml
+++ b/.github/workflows/docs-preview-create.yml
@@ -27,6 +27,11 @@ jobs:
   Sync:
     name: Sync
     runs-on: ubuntu-latest
+
+    concurrency:
+      group: preview-${{ inputs.repo }}-${{ inputs.pr }} # can't reference env here
+      cancel-in-progress: true
+
     steps:
       - uses: actions/checkout@v4
         with: