diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index 42e3bef4a78..d111ac13716 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -66,6 +66,7 @@ jobs:
           publish_dir: ./docs/build/html
           destination_dir: .
           force_orphan: true
+          keep_files: true
       - name: Deploy develop branch merges to /develop
         if: success() && github.ref_name == 'develop'
         uses: peaceiris/actions-gh-pages@v3
diff --git a/docs/source/Support/bskReleaseNotesSnippets/1664-preserve-develop-docs.rst b/docs/source/Support/bskReleaseNotesSnippets/1664-preserve-develop-docs.rst
new file mode 100644
index 00000000000..65e79326937
--- /dev/null
+++ b/docs/source/Support/bskReleaseNotesSnippets/1664-preserve-develop-docs.rst
@@ -0,0 +1 @@
+- Fixed documentation deployment so publishing the main site preserves the development documentation at ``/develop`` (#1664).