diff --git a/pyproject.toml b/pyproject.toml
index 6fde023b5..5964aa199 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -152,7 +152,7 @@ optional-dependencies.develop = [
   "pyproject-fmt<3",
   "pytest-repeat<1",
   "ruff==0.17.*",
-  "ty==0.0.85",
+  "ty==0.0.89",
   "validate-pyproject<1",
 ]
 # The filesystem and blob stack lives in its own distribution.
diff --git a/src/omniload/source/rsync/transport.py b/src/omniload/source/rsync/transport.py
index 63f656517..49bbf1812 100644
--- a/src/omniload/source/rsync/transport.py
+++ b/src/omniload/source/rsync/transport.py
@@ -67,8 +67,8 @@ class SshTransport(RsyncTransport):
     emitted only when at least one of these is present).
     """
 
-    host: str
-    user: Optional[str] = None
+    host: str  # ty: ignore[invalid-attribute-override]
+    user: Optional[str] = None  # ty: ignore[invalid-attribute-override]
     port: Optional[int] = None
     rsh: Optional[str] = None
     ssh_key: Optional[str] = None
@@ -125,8 +125,8 @@ class DaemonTransport(RsyncTransport):
     command line.
     """
 
-    host: str
-    user: Optional[str] = None
+    host: str  # ty: ignore[invalid-attribute-override]
+    user: Optional[str] = None  # ty: ignore[invalid-attribute-override]
     port: int = DEFAULT_DAEMON_PORT
     password: Optional[str] = None
     password_file: Optional[str] = None
diff --git a/tests/warehouse/saas/test_appsflyer.py b/tests/warehouse/saas/test_appsflyer.py
index 7e84c9d55..392b841ef 100644
--- a/tests/warehouse/saas/test_appsflyer.py
+++ b/tests/warehouse/saas/test_appsflyer.py
@@ -197,7 +197,7 @@ def test_exclude_metrics_for_date_range():
     to_date = "2024-01-11"
     now = "2024-01-12"
 
-    with pendulum.travel_to(cast(pendulum.DateTime, pendulum.parse(now))):
+    with pendulum.travel_to(cast(pendulum.DateTime, pendulum.parse(now))):  # ty: ignore[invalid-context-manager,unused-ignore-comment,unused-ignore-comment]
         excluded_metrics = exclude_metrics_for_date_range(metrics, from_date, to_date)
         assert excluded_metrics == [
             "cohort_day_1_revenue_per_user",