diff --git a/.github/workflows/preview-docs.yml b/.github/workflows/preview-docs.yml
index 8b00883..ca18561 100644
--- a/.github/workflows/preview-docs.yml
+++ b/.github/workflows/preview-docs.yml
@@ -17,8 +17,9 @@ jobs:
         id: generate-docs
         env:
           FERN_TOKEN: ${{ secrets.FERN_TOKEN }}
+          HEAD_REF: ${{ github.head_ref }}
         run: |
-          OUTPUT=$(fern generate --docs --preview 2>&1) || true
+          OUTPUT=$(fern generate --docs --preview --id "$HEAD_REF" 2>&1) || true
           echo "$OUTPUT"
           URL=$(echo "$OUTPUT" | grep -oP 'Published docs to \K.*(?= \()')
           echo "Preview URL: $URL"
diff --git a/fern/fern.config.json b/fern/fern.config.json
index bc36bda..f6c7d6e 100644
--- a/fern/fern.config.json
+++ b/fern/fern.config.json
@@ -1,4 +1,4 @@
 {
   "organization": "Petstore",
-  "version": "0.37.15"
-}
\ No newline at end of file
+  "version": "4.35.0"
+}