diff --git a/schema_objects.json b/schema_objects.json
index e046803..2d6300a 100644
--- a/schema_objects.json
+++ b/schema_objects.json
@@ -101,6 +101,7 @@
             "frequent-flyer-number",
             "gender",
             "gene",
+            "git-commit-id",
             "github-organisation",
             "github-repository",
             "github-username",