diff --git a/test/Sentry.Unity.Tests/Stubs/TestHub.cs b/test/Sentry.Unity.Tests/Stubs/TestHub.cs
index f36a61622..6c06d57fd 100644
--- a/test/Sentry.Unity.Tests/Stubs/TestHub.cs
+++ b/test/Sentry.Unity.Tests/Stubs/TestHub.cs
@@ -48,6 +48,11 @@ public void CaptureSession(SessionUpdate sessionUpdate)
         {
         }
 
+        public SentryId CaptureCheckIn(string monitorSlug, CheckInStatus status, SentryId? sentryId = null)
+        {
+            throw new NotImplementedException();
+        }
+
         public bool CaptureEnvelope(Envelope envelope)
         {
             throw new NotImplementedException();