diff --git a/Sources/Secretive/Preview Content/PreviewStore.swift b/Sources/Secretive/Preview Content/PreviewStore.swift
index 85dc347..a557f36 100644
--- a/Sources/Secretive/Preview Content/PreviewStore.swift	
+++ b/Sources/Secretive/Preview Content/PreviewStore.swift	
@@ -40,6 +40,10 @@ extension Preview {
             return data
         }
 
+        func existingPersistedAuthenticationContext(secret: Preview.Secret) -> PersistedAuthenticationContext? {
+            nil
+        }
+
         func persistAuthentication(secret: Preview.Secret, forDuration duration: TimeInterval) throws {
         }