diff --git a/Pipfile.lock b/Pipfile.lock
index 6d380e3..155af07 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -303,6 +303,7 @@
                 "sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed",
                 "sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4"
             ],
+            "index": "pypi",
             "markers": "python_version >= '3.9'",
             "version": "==2.6.3"
         }