diff --git a/.github/workflows/automation-data-api-differ.yaml b/.github/workflows/automation-data-api-differ.yaml
index 53780968b58..9976174497c 100644
--- a/.github/workflows/automation-data-api-differ.yaml
+++ b/.github/workflows/automation-data-api-differ.yaml
@@ -5,6 +5,7 @@ on:
     paths:
       - 'api-definitions/**' # to detect changes when the API Definitions are updated
       - 'tools/data-api/**' # to detect changes when the Data API is updated
+      - 'tools/data-api-differ/**' # to detect changes when the Data API Differ is updated
       - 'tools/importer-rest-api-specs/**' # to detect changes when the Importer is updated
     types: ['opened', 'edited']