diff --git a/tests/unit/test_history.py b/tests/unit/test_history.py
index e7753da..7accf2d 100644
--- a/tests/unit/test_history.py
+++ b/tests/unit/test_history.py
@@ -255,6 +255,7 @@ def test_coverage_returns_what_exists(self):
             "lastRecordedAt": "2026-09-20",
             "retrievableThrough": "2026-09-20",
             "kinds": {},
+            "knownGaps": [],
         }
         doc = client(lambda r: httpx.Response(200, json=body)).entity("ride-1").history.coverage()
         assert doc.firstRecordedAt == _d(2021, 7, 3)
@@ -326,6 +327,7 @@ def handler(req):
     },
     "fields": {},
     "entities": [],
+    "knownGaps": [],
 }
 
 ENTITY_COVERAGE = {
@@ -339,6 +341,7 @@ def handler(req):
     "lastRecordedAt": "2026-09-22",
     "retrievableThrough": "2026-08-23",
     "kinds": {},
+    "knownGaps": [],
 }