diff --git a/.github/workflows/upload-release-to-plugin-repo.yml b/.github/workflows/upload-release-to-plugin-repo.yml
index e3d68f0daf258..b20c59fa97727 100644
--- a/.github/workflows/upload-release-to-plugin-repo.yml
+++ b/.github/workflows/upload-release-to-plugin-repo.yml
@@ -17,7 +17,14 @@ jobs:
               run: |
                   latest_version_in_core_repo=$(curl -s 'https://api.wordpress.org/plugins/info/1.2/?action=plugin_information&request\[slug\]=gutenberg' | jq -r '.version')
                   echo "Latest Core Repo version: $latest_version_in_core_repo"
-                  echo "version=$latest_version_in_core_repo" >> $GITHUB_OUTPUT
+                  # @todo Revert by uncommenting this before merging
+                  # echo "version=$latest_version_in_core_repo" >> $GITHUB_OUTPUT
+
+                  # Mocks the version that would come from the plugin repo, for testing purposes:
+                  # If the version being released by this workflow is > than the last one published
+                  # in the SVN repo, then it will be published as trunk and replace the last version
+                  # on SVN. If it's <, then it will only be published as a tag.
+                  echo "version=v15.9.0" >> $GITHUB_OUTPUT
 
             - name: Decide if it is a trunk or tag update
               id: compute_should_update_trunk