diff --git a/specificationRepositoryConfiguration.json b/specificationRepositoryConfiguration.json
index 9e27b5807680..378fa6d38df2 100644
--- a/specificationRepositoryConfiguration.json
+++ b/specificationRepositoryConfiguration.json
@@ -29,7 +29,8 @@
     },
     "azure-sdk-for-python": {
       "integrationRepository": "azure-sdk/azure-sdk-for-python",
-      "mainRepository": "Azure/azure-sdk-for-python"
+      "mainRepository": "Azure/azure-sdk-for-python",
+      "mainBranch": "pipeline-optimize-for-multi-input"
     },
     "azure-powershell": {
       "integrationRepository": "azure-sdk/azure-powershell",